What is Bulk SMS? Learn Everything You Need to Know About Bulk SMS (From A-Z)

Bulk SMS is the process of sending a text message to many people at the same time. It’s a fast, reliable way for businesses and organisations to reach their audience, whether it’s a promo, a reminder, or an urgent update.

Although it’s the same, in many parts of the Western world, people call it “bulk text messaging”. So, whenever I mention “bulk SMS” in this guide, you can know it also applies to “bulk text messaging.”

Additionally, bulk SMS boasts a 99% open rate, better than most communication channels like email, phone calls, and even WhatsApp. This makes it the most effective way to teach your customers.

So, in this guide, I’ll walk you through everything you need to know:

• What bulk SMS really is and how it works
• Why it outperforms other channels
• And, how to start sending bulk SMS step by step.

So whether you’re running a startup, leading a growing team, or managing a well-known brand, this guide is for you.

Let’s dive in.

Also see our guide on Transactional SMS and RCS messaging.

How does bulk SMS work?

Let’s say you own a pizza shop and want to tell 500 customers about your “Buy 1 Get 1 Free Friday” deal. Here’s how it’ll play out behind the scenes:

1. You type your message in a simple dashboard or system (like SMSCountry’s web portal).
2. You upload your contact list—either by copy-paste, uploading a file, or connecting your CRM.
3. You hit send, and your message is passed through an SMS Gateway.
4. The gateway connects with mobile networks, which deliver your message straight to your customers’ phones.

No need to hit “send” 500 times. One click and it’s done.

What are the characteristics of bulk SMS?

Bulk SMS has features that make it the fastest, most reliable, and cost-effective way to reach people. Here are some of them:

• You can send one message to hundreds or thousands of people at once. It saves time and effort compared to calling or sending messages one by one.
• Text messages are delivered quickly with little to no delays if any. For example, SMSCountry’s bulk SMSes arrive in less than 5 seconds after you hit “send.”
• SMS recipients don’t need mobile data or Wi-Fi. As long as their phone has a signal, they’ll get the message.
• SMS messages are usually limited to 160 characters. They’re simple, direct, and easy to understand. It’s the most effective option for quick updates, OTPs, or reminders.
• Text messages have an average open rate of 99%. That means almost everyone who receives your SMS will actually read it.
• Some bulk SMS services give you 2-way messaging so that instead of static one-way messaging, people can actually reply to your message, and you can have a back-and-forth conversation if needed.
• You can write your message now and schedule it to go out later, at the exact date and time you choose.
• And, last but not least, even when sending messages in bulk, you can still add personal details. Like the recipient’s name or appointment time, to make it more personal to your receiver.

These are the simple reasons why SMS beats other communication methods.

What are the different types of SMS?

There are nine common types of SMS used in business and communications, namely, promotional SMS, Transactional SMS, OTP SMS, Service Explicit SMS, Service Implicit SMS, Conversational (2‑way) SMS, Reminder SMS, International SMS, and Flash SMS

Here’s what each type means and how it’s typically used:

• Promotional SMS: Used to market products or offers. You can use it for discounts, sales alerts, new launches. Requires opt-in and is usually sent during permitted hours.
• Transactional SMS: Used to deliver information tied to a customer’s activity. You can use it for order confirmations, account alerts, and booking notifications. Sent 24/7 and often bypasses DND rules.
• OTP SMS (One‑Time Password): A type of transactional SMS used for authentication. login codes, payment approval, and password resets. Delivered immediately and only usable once.
• Service Explicit SMS: Sent to customers who’ve opted in, containing service-related offers or loyalty updates. Works around the clock and requires explicit user consent.
• Service Implicit SMS: Non-promotional service messages triggered by user action. It’s good for balance reminders, subscription updates, or system alerts. Sent even to DND numbers; consent inferred from service usage.
• Conversational SMS (Two‑Way SMS): Allows recipients to reply. Businesses use conversational SMS to ask questions, confirm details, or participate in surveys. Great for engagement and customer support.
• Reminder SMS: Gentle nudges about upcoming appointments, renewals, or deadlines. Helps reduce no-shows or missed actions.
• International SMS: Messages sent to recipients in other countries. You can use it for updates, alerts, or promotions in different markets. Content and sender ID vary by region, and regulations differ by country.
• Flash SMS: Appears directly on the recipient’s screen without saving in the inbox. It’s useful for urgent alerts or special notifications (though less common in marketing).

What is the difference between promotional SMS vs transactional SMS?

The #1 key difference is that promotional SMS aims to sell or promote, while transactional SMS is sent to inform or update.

The table below summarises the difference between promotional and transactional SMS.

Feature	Promotional SMS	Transactional SMS
Purpose	To promote products, events, or offers	To share essential information based on user actions
Typical content	Offers, sales alerts, brand messages	Booking confirmation, delivery updates, and alerts
Consent required?	Yes, you’ll need an explicit opt-in to send promotional SMS	Explicit consent isn’t usually required (if related to user activity)
Time restrictions	Usually sent only during permitted hours (e.g. 9–9)	Can be sent 24/7, even across Do Not Disturb settings
Sender ID format	Often, numeric headers or shared IDs	Often branded or recognisable alphanumeric IDs
Examples	“Limited-time sale—shop now!”	“Your order is out for delivery in one hour.”

 

What are the different elements of bulk SMS?

To effectively use bulk SMS, several components come into play:

• API integration: the code that enables you to use the SMS services provided by an SMS service provider.
• Web portal: User-friendly interface for managing campaigns, contacts, and message templates.
• Plugins: Extensions for platforms like WordPress or Excel, simplifying the sending process.
• Carrier networks: Mobile operators responsible for delivering messages to end-users.
• SMS gateway: the bridge that connects your system with the mobile networks to transmit your message.

Among these components, the SMS gateway plays a crucial role. Let’s take a closer look at what it is and how it works.

What is an SMS gateway?

An SMS Gateway is a tech system that allows you to send messages from software (like your bulk SMS platform or CRM) directly to your customers’ mobile phones across different networks, countries, and device types. It acts like the middleman between your message and the mobile network.

Imagine you’re having a baggage check at an airport, and you have a suitcase full of valuable items that you hand over at the check-in counter. So, the airline:

• Checks your passport (verify your sender ID)
• Scans your bag (make sure your message follows the rules)
• Picks the right flight (choose the right mobile carrier)
• Delivers it to the right aeroplane (your customer’s phone).

That’s exactly what an SMS Gateway does: it handles thousands of messages and delivers them to the right recipients in a few seconds.

What are the benefits of bulk SMS?

Bulk SMS isn’t just a tool—it’s your direct line to your customers’ pockets. Here’s why businesses across industries love it:

•  Instant delivery
•  Sky-high open rates
•  Cost-effective at scale
•  Recipients do not require the internet
•  Easy to set up & use
•  Personalised yet mass-sent
•  Perfect for time-sensitive alerts
•  Integrates easily with your tools
•  High engagement, low effort

1. Instant delivery

When you hit “Send,” the message reaches your customer’s phone in seconds. There’s no waiting and no buffering. This is great for OTPs, alerts, or any message that just can’t wait.

It’s like texting your friend—they get it right away. Now imagine doing that with 10,000 people at once.

2. Sky-high open rates

Emails might go unread for days, but SMS? Over 90% of texts are opened within 3 minutes.

Why? Because people check their phones constantly, subject lines are not needed. Just a short, clear message that gets seen quickly is enough.

3. Cost-effective at scale

Sending thousands of messages sounds expensive—but it’s not. Bulk SMS rates are way lower than traditional marketing costs (like ads or print), and you can reach a massive audience for just a few cents per message.

More bang for your buck. And better ROI.

4. Works without internet

Your customer doesn’t need Wi-Fi, data, or a smartphone to receive your message.

They’re reachable as long as they’ve got a basic phone and network signal. That makes SMS unbeatable for rural, remote, or offline audiences.

5. Easy to set up and use

You don’t need to be a tech whiz. With bulk SMS platforms like SMSCountry, you can sign up, upload contacts, type your message, and hit send from a simple dashboard.

There’s also an API if you’re a developer. If not, just use the web portal.

6. Personalisable, even if sent in bulk

You can send one message to thousands, but still make each message feel personal.

Use merge tags to include names, order numbers, dates, etc., so every customer feels like you wrote the SMS just for them.

7. Perfect for time-sensitive alerts

Flash sale? Payment due? Appointment reminder?

SMS is the go-to channel when timing is everything. Customers are more likely to act when they get the information right now, not three hours later.

8. Integrates easily with your favourite tools

You can plug SMS into your CRM, e-commerce store, support system, or ERP tool.

That way, messages are sent automatically when customers take action, like placing an order, booking a service, or missing a payment.

9. High engagement, low effort

Unlike social media, there’s no algorithm to beat. No ad spend. No fancy creatives.

Just you and your message—straight to your customer’s inbox. And because it feels direct, people are likelier to engage, click, and convert.

Those are all the good sides of bulk SMS. But let’s see how it compares with email and WhatsApp.

What is the difference between bulk SMS, email and WhatsApp?

This table compares bulk SMS with email and WhatsApp, showing factors that make each one unique for various use cases.

Metric	SMS	Email	WhatsApp
Message delivery speed	Instant (within seconds)	Varies; typically within minutes	Instant (within seconds)
Open rates	98%	20-25%	99%
Click-Through Rates (CTR)	19%	2-5%	25-40%
Read receipts & delivery reports	Delivery reports available; read receipts not standard	Limited; depends on email client	Both delivery and read receipts are available
Engagement rate	High; 90% read within 3 minutes	Moderate; varies by content and audience	Very high; interactive and conversational
Cost per Message	$0.25–$0.50 per message	$10–$50/month for thousands of emails	Free (app); $0.005–$0.05 per conversation via API
Reach & accessibility	Universal; works on all mobile phones without internet	Requires internet and an active email address	2.7B users; requires internet and opt-in
Message length limitations	160 characters per SMS; longer messages split	No strict limit; can be lengthy	Up to 65,536 characters
Multimedia support	Limited; MMS supports images/videos, but at a higher cost	Rich media support (images, videos, attachments)	Rich media support (images, videos, documents)
Personalisation capabilities	Basic, limited to text and merge tags	Advanced, dynamic content and segmentation	Advanced, personalised messages and chatbots
Automation & scheduling	Supported via APIs and platforms	Extensive automation tools are available	Supported via Business API and third-party tools
User opt-in/opt-out rules	Strict; requires explicit consent and easy opt-out	Regulated; must provide unsubscribe option	Strict; users must opt in and can block senders
Integration with tools/CRMs	Available; integrates with various systems via APIs	Extensive; integrates with most CRMs and marketing platforms	Available via Business API and third-party integrations
Reliability & deliverability	High; messages delivered directly to devices	Variable; subject to spam filters and deliverability issues	High; messages are delivered if the user is online and has the app
Use cases	OTPs, alerts, reminders, promotions, transactional messages	Newsletters, detailed updates, promotions	Customer support, personalised offers, and catalogues
Regulatory compliance	Subject to telecom regulations, requires consent	Subject to email marketing laws (e.g., CAN-SPAM, GDPR)	Subject to messaging app policies and data protection laws
Branding possibilities	Limited; sender ID and message content	Extensive templates, visuals, and formatting	Wide, Verified business profiles, rich media messages
Scalability	High; suitable for mass messaging	High; suitable for large campaigns	Moderate; depends on API usage and user opt-in
Customer expectations	Quick, concise messages	Detailed information, newsletters	Interactive, conversational engagement
Two-Way Communication	Limited; primarily one-way	Limited; replies are possible but not immediate	Yes; real-time chats and responses

How can you use bulk SMS for schools?

Bulk SMS is one of the fastest, easiest, and most affordable ways for schools to stay connected.

Whether you’re managing a primary school, college, or training institute, SMS helps you reach parents, students, and staff in seconds. It doesn’t require an internet connection, nor does it require installing an app.

Here are some of the most practical ways schools use bulk SMS every day:

• Emergency alerts: Let’s say school closes early because of heavy rain. Bulk SMS lets you send a quick message to every parent so they know exactly what’s going on.
• Attendance notifications: If a student is absent or skips a class, parents get a 2-way SMS instantly. At Yishun Town Secondary School in Singapore, bulk SMS cut admin time and increased accountability across 1,400 students.
• Fee reminders: Don’t wait until the last minute. SMS reminders help parents keep up with school fees, saving your finance team from chasing late payments.
• Exam schedules and results: Share exam timetables, test centres, or even results. No printing, no queues.
• Parent-teacher meeting invites: Send out meeting details with one click. You can even include RSVP options or reminders closer to the date.
• Class or timetable changes: If there’s a sudden room change or a substitute teacher, a quick SMS keeps students informed and organised.
• School event updates: For inter-house sports, music concerts, or annual day rehearsals, use SMS to keep families involved and excited.
• Homework or assignment alerts: Teachers can send homework details to students (or parents) so nothing gets missed.

Why is bulk SMS good for schools?

Schools often juggle urgent updates, daily reminders, and stakeholder coordination quickly. People read text messages within three minutes of receiving them. Even in areas with poor or no internet access, SMS reaches every phone with a signal.

One school study found weekly text messages about grades, student absences, and missing assignments boosted student attendance by 18% and reduced subject failures by 39% because parents were updated in real time.

So, instead of printing notices, making calls, or sending emails that no one will read, use bulk SMS. It’s cost‑effective and scalable, especially for schools on a tight budget.

How can you use bulk SMS for hospitals?

Here’s how you can use bulk SMS to improve communication, cut down on missed appointments, and support better patient care, without adding to your team’s workload.

• Send appointment reminders: You can cut down on missed appointments by sending a quick SMS the day before. It takes seconds, but saves hours of wasted time.
• Notify your patients about health checkups: Got a vaccination drive or free eye checkup coming up? Use SMS to notify your patients ahead of time and fill up your slots fast.
• Share lab results (securely): Once lab reports are ready, a simple message from you helps patients know they can log in or collect them.
• Send emergency alerts: If there’s an outbreak or a sudden change in doctor availability, SMS lets you reach patients right away, without delay.
• Remind patients to take their meds: For chronic care or post-surgery follow-ups, you can schedule reminders that go out automatically, keeping your patients on track.
• Deliver post-treatment instructions: After discharge, your team can send SMS messages with dos and don’ts, rehab tips, or when the next check-up is due.
• Send payment or insurance updates: Whether it’s a gentle nudge about a pending bill or a confirmation that a claim went through, SMS makes it easy to keep patients informed.
• Update on doctor availability: If a doctor cancels or gets delayed, you can notify patients quickly, saving them a trip and your front desk a ton of stress.

Why bulk SMS works so well for hospitals like yours

Your patients are busy. Your staff is even busier. You don’t always have time to make dozens of calls or send emails that may not even get read.

But almost everyone checks their SMS.

In fact, 98% of SMS messages are opened, and most within 3 minutes.

That means the reminder or update you send at 8:00 AM is probably read by 8:03.

And since SMS doesn’t need internet or fancy smartphones, it works for all your patients, no matter their age, location, or tech comfort.

That’s why hospitals love it. And if you’re trying to make your hospital more efficient while staying human and helpful, you’ll love it too.

One of India’s biggest hospital networks, Narayana Health, uses SMS daily to keep patients informed, sending appointment reminders, medication tips, and more. They even send texts in local languages to make sure everyone understands.

For them, SMS has become a quiet engine behind smoother operations and better patient experiences.

Want to dig deeper? Explore our complete guide on Bulk SMS for Healthcare and Hospitals. It’s packed with ready-to-use ideas, message templates, and tips to help you get started.

How can you use bulk SMS for restaurants?

Here’s how bulk SMS can help you stay connected with your customers, fill more seats in your restaurant, and make your customers come back for more.

• Send reservation confirmations and reminders: Automatically confirm bookings and send timely reminders to reduce no-shows.
• Promote limited-time offers or happy hours: Alert customers to discounts, seasonal menus, or flash deals, right when it matters most.
• Announce new dishes or seasonal specials: Keep your regulars excited by teasing new menu items with a quick, tempting text.
• Invite guests to events: Hosting a live music night, food festival, or chef’s table? SMS is a great way to get the word out fast.
• Run loyalty or birthday campaigns: Reward repeat customers with exclusive SMS-only offers and birthday treats.
• Send order updates for takeout and delivery: Keep customers in the loop about their food’s status (ready, out for delivery, or delayed).
• Request quick feedback: A short follow-up text with a review link makes it easy for diners to share their experience.

Why bulk SMS works so well for restaurants

Timing matters a lot for your restaurants, and so does SMS. With bulk SMS, our message is 99% guaranteed to be seen. That’s huge for when you want to fill your tables during slow hours or quickly inform customers about today’s special.

Unlike email, which customers ignore, or social media, which relies on algorithms, SMS hits the sweet spot. It’s instant, mobile-friendly, and easy to personalise.

Domino’s Pizza has mastered the art of SMS communication:

• They send order confirmations, delivery updates, and personalised promotional deals, often targeted based on customer behaviour.
• One campaign turned a $25 SMS blast into 125 orders and added 850 new subscribers at just $0.15 per subscriber.
• Domino’s also uses SMS to drive feedback: when customers respond via a link, complaint calls dropped by 50%, complaint resolution rose by 53%, and overall retention hit 75%.

That level of precision and ROI shows how SMS can move the dial for restaurants. Check out our complete guide on Bulk SMS for Restaurants and Hospitality for step-by-step strategies and message ideas to help you get started.

How can you use bulk SMS for customer engagement?

Did you know that brands that use SMS for post-purchase engagement see up to 200% higher customer retention rates compared to those who don’t?

So yes, SMS isn’t just about flash sales or delivery alerts. It’s a relationship tool. And when used right, it helps you stay relevant, build loyalty, and drive repeat business without overwhelming your customers.

Here are seven smart ways you can use bulk SMS for your customer engagement.

• Welcome new customers: Send a short, friendly “thanks for signing up” message with a discount or link to next steps. It sets the tone.
• Nudge for feedback or reviews: After a purchase or interaction, follow up with a simple: “How did we do?” Customers love feeling heard.
• Remind them about loyalty rewards: If they’re halfway to a free item or discount, let them know. These little nudges drive repeat actions.
• Re-engage inactive customers: Haven’t seen them in 30/60/90 days? Use SMS to say “We miss you”, and offer something to bring them back.
• Announce personalised offers: Use customer data (like past purchases or birthdays) to tailor offers that feel one-to-one, even though they’re sent in bulk.
• Share helpful content or tips: Not every message has to sell. Share care tips, how-tos, or updates that build trust.
• Invite them to exclusive events or early access: “VIP sale starts at 9 A.M. You’re first on our list.” That kind of message builds loyalty and urgency.

Why bulk SMS works so well for engagement

People read text messages. Fast. Much faster than email or app push notifications. And unlike social media, you don’t need an algorithm to decide who sees your message. With bulk SMS, you’re talking directly to them.

Also, SMS is lightweight. It doesn’t demand attention like Wi-Fi, a phone call, or an app download. And when you send valuable, personalised texts, your customers are more likely to engage with your brand again and again.

Real-world example: Nykaa Beauty (India)

Nykaa uses bulk SMS not just to promote deals, but to engage. For example, after a user browses skincare products, they might get a message like:
“Still thinking about that moisturiser? It’s back in stock—get 15% off today only.”

This feels timely, personal, and useful. It works because it’s built on behaviour, not just blasts.

What are some examples of how to use bulk SMS for e-commerce?

Smart brands use bulk SMS’s high deliverability and 3-minute open rate to bring people back to the site within 3 minutes of receiving a message. And PrettyLittleThing is one of them.

PrettyLittleThing (PLT) is a fashion e-commerce brand that’s known for quick drops and fast-moving stock. But what many don’t see is how much of their urgency and engagement is powered behind the scenes by simple text messages.

Here’s how they do it:

• They announce flash sales right before they go live. When PLT has a 40% off sale, they don’t just email you. They text you because they know you’ll probably see it instantly on your lock screen.
  “40% off everything—4 hours only. Use code FLASH. Ends at midnight.”
• They notify when bestsellers are restocked. If a popular outfit sells out, and customers have shown interest, PLT sends a message once it’s back.
  “You asked—we restocked. That dress you loved? It’s back. Shop now →”
• They drop new collections straight to your phone. Instead of hoping customers check the site, they tell them what’s new and link straight to it.
  “Just dropped: The new collab with Molly-Mae. Limited stock. Tap to shop.”
• They recover abandoned carts with a gentle nudge. PLT reminds shoppers of what they left behind and sometimes adds a little incentive.
  “Still thinking about it? Here’s 10% off your cart. Don’t wait—ends soon.”
• They reward SMS subscribers with early access. On big sale days like Black Friday, PLT lets SMS subscribers in before the crowd. It feels personal.
  “Hey, early bird. You’ve got 24-hour early access. Start shopping before it’s gone →”

Why does this actually work

It’s just a simple message, at the right time, with a high open rate. In fact, SMS can generate 11-20% of an e-commerce brand’s total revenue.

That’s why brands like PrettyLittleThing are making more than their competitors. 

Want to go deeper? We’ve written a full guide on using bulk SMS for customer engagement, with examples, use cases, and templates you can copy. Read it here → Bulk SMS for Customer Engagement.

Best bulk SMS for political campaigns

When every vote matters, you can’t afford messages that don’t land. That’s why campaign managers across the Middle East, Africa, and South Asia trust SMSCountry as their go-to bulk SMS platform for political campaigns.

Here’s why SMSCountry stands out:

• 99% deliverability rate: Thanks to smart routing and full compliance with telecom regulations, your messages go through fast and reliably.
• Flexible sending options: Whether you want to blast messages from the web portal, integrate into your CRM via API, or use ready-made plugins, SMSCountry has the tech to match your workflow.
• Built-in security: We use enterprise-grade encryption and follow strict privacy protocols. Your campaign data stays protected.
• Support in English and Arabic: Need help during election week or a holiday? No problem. Our support team is available even during holidays to get you unstuck quickly.
• Dedicated account manager: You won’t be left chasing support tickets. Once you sign up on SMSCountry, we’ll assign someone to help with your campaigns. Someone who knows your goals and timeline, and is just a call or WhatsApp away.
• Simple documentation: Everything is explained in plain English (or Arabic), with screenshots and how-to guides. You won’t need to hire a developer just to get started if you don’t want to.

And here’s a bonus many don’t know about:

SMSCountry has one of the largest libraries of free political SMS templates, all of which are ready to use, edit, and send.

From rally invites and fundraising requests to last-minute GOTV (Get Out the Vote) reminders, you’ll find message templates for every campaign need.

Explore our political SMS templates here: Political SMS Templates That Win Elections – SMSCountry

Whether you’re running for local office or managing a national campaign, SMSCountry makes it easy to connect, engage, and mobilise supporters at scale and in real time.

Let’s help you win this. Contact our team today.

Can bulk SMS be used for appointment reminders?

Yes. You can use bulk SMS for appointment reminders. In fact, it’s one of the most effective ways to reduce no-shows and keep your schedule running smoothly, whether you’re a clinic, salon, repair shop, or visa processing agency.

And here’s how you can do it, step by step:

Step 1: Collect phone numbers and appointment details

Before you can send any reminder, make sure you’re collecting accurate phone numbers when customers book their appointments. You should also capture:

• Customer’s full name
• Appointment date and time
• Location (if applicable)
• Any service-related notes (optional but helpful)

You can gather these through your booking form, app, or even manual entry.

Step 2: Choose a bulk SMS platform (like SMSCountry)

You’ll need a reliable SMS service provider that supports:

• Mass messaging
• Scheduling (send later)
• Personalisation (so you can insert names, dates, etc.)

SMSCountry is perfect for this. It lets you:

• Upload your contacts in bulk
• Send custom SMS reminders with merge fields (like “Hi John, your dental appointment is tomorrow at 11:00 AM”)
• Automate recurring appointment messages
• Track delivery and response
• Even integrate SMS into your CRM or booking system via our user-friendly SMS API.

Step 3: Write a simple, clear reminder message

Keep your reminder short, friendly, and helpful. Example:

“Hi Sarah, this is a reminder for your visa appointment tomorrow at 2:00 PM at our Marina branch. Please arrive 10 minutes early. Reply YES to confirm.”

You can also include:

• Cancellation/rescheduling link
• Map/location info, and
• Contact number.

Step 4: Schedule the SMS reminder

Most businesses send appointment reminders:

• 24 hours before the appointment
• 1–2 hours before, as a final nudge

With SMSCountry, you can schedule both in advance. Just upload your contact list and set the date/time you want each message to go out.

Step 5: Monitor delivery & confirmations

The best part?

You can track who got the message, who replied, and who didn’t, all from your dashboard. This helps you:

• Send follow-ups if needed
• Know who confirmed
• Free up slots from no-shows early

Step 6. Automate the entire workflow

If you use appointment software (like Calendly, Zoho, or Practo), SMSCountry can integrate with your system via API or plugins.

This means appointment reminders can be triggered automatically. No need to manually upload data every time.

So, whether you’re reminding a patient about their dental cleaning or a client about their beauty treatment, bulk SMS helps you stay on top of your schedule and shows your customers you value their time.

How to implement or use bulk SMS

There are three ways to implement or use bulk SMS. Whether you’re a marketer, a business owner, or a developer, there’s a way for you to get started.

Method #1: Via a web portal (NO-CODE)

A web portal is your best bet if you don’t want to deal with code or tech setups. Here’s how to use a web portal to send bulk SMS:

• Sign up with a bulk SMS service provider, such as SMSCountry
• Add your audience. Upload your contact list using a CSV or Excel file.
• Want to be extra efficient? You can even tag your contacts into “new customers” or “high spenders”, or other segments.
• Write your message. Keep it short, sweet, and to the point. Personalisation helps a lot here, so if your tool supports merge tags, use the customer’s name or last order number to add that human touch.
• Choose a sender ID (this is what your customers see as the message sender). And in many cases, you can customise it to show your brand name (though in some regions, like the DLT requirement in India, you might need to register it first).
• Hit send immediately, or schedule the message for later — super handy for campaigns and reminders.
• Finally, check your delivery reports. You’ll access useful data like delivery rates, failed numbers, and click-throughs if you send links. Based on that, tweak your next messages and keep improving.

Method #2: Using an API (For Developers)

Now, if you’re more technical and want complete control, here’s how you can use an SMS API:

• Sign up with an SMS provider that offers an API, like SMSCountry API.
• Once you’re in, generate your API credentials, usually an API key and secret. You might also need to define a sender ID here, like in the portal method.
• Next, integrate it with your tools and CRMs. You can use any programming language — Python, JavaScript, PHP, whatever you’re comfortable with.
• Write and send your message.
• After you send, ensure you capture the API response. It’ll tell you if the message was successfully sent or if something went wrong, like an invalid number or an expired token.
• Set up retries or logging failed attempts so you don’t miss out on anything critical.

Method #3: via a plugin (for WordPress, WooCommerce, Shopify, etc.)

If you run an online store or website, there’s a plugin you can use for bulk SMS, and setting it up is surprisingly easy.

• Go to your platform’s plugin store and search for SMS tools like “WP SMS” or “Twilio SMS Notifications.”
• Install one (you’ll just need to plug in your API key and choose your settings).
• These plugins usually come with ready-made triggers, so you can send SMS automatically when someone registers, places an order, or needs a shipping update.
• Customise the message templates using shortcodes like {{name}} or {{order_id}}, which makes your texts more personal and relevant.
• Now that you’re set up, do a few test runs. Send sample messages to yourself or your team and verify that everything works as expected.
• Once it’s tested, you’re ready to go live.

This works for e-commerce, big stores, websites, and other businesses that need bulk SMS marketing and promos.

We created multiple guides on how to install and activate different plugins. Check them out :

• How to Use SMSCountry E-Commerce Plugin to Increase Cart Checkout Rates
• How to Set Up and Use SMSCountry Excel SMS Plugin to Send SMS
• How to integrate SMSCountry SMS plugin in Magento: A Step-by-step guide 
• How To Set Up And Use SMSCountry Tally Accounting SMS Plugin: A Complete Guide
• How to Integrate SMSCountry WooCommerce SMS Plugin in WordPress: A Step-By-Step Guide

How do you integrate the bulk SMS API?

Integrating a bulk SMS API into your app or system is easier than it sounds — and once done, it helps you send messages automatically, right from your CRM, website, or backend.

Here’s a simple step-by-step guide to help you through:

Step 1: Choose a bulk SMS provider (like SMSCountry)

Start by picking a reliable SMS provider with:

• High deliverability
• RESTful API support
• Clear documentation
• Good customer support

👉 SMSCountry offers all of this — plus local compliance and multi-language support (English & Arabic).

Step 2: Get your API key

Once you sign up on smscountry.com, head to your dashboard and generate your API key/token.

This key is like your password — it lets your app talk to our SMS server securely.

Step 3: Use the API to send SMS

Use the API to send POST requests to SMSCountry’s SMS endpoint.

Here’s a basic request flow:

POST https://api.smscountry.com/SMS

Headers: 

  – Authorisation: Bearer YOUR_API_KEY

  – Content-Type: application/json

Body:

{

  “to”: “919XXXXXXXXX”,

  “message”: “Hi John, your order is ready for pickup!”,

  “sender”: “YourBrand”,

  “templateId”: “12345” (if required)

}

You’ll find full code examples in PHP, Python, JavaScript, etc., in our developer docs.

Step 4: Handle responses

Our API returns a response with status codes:

• 200 OK – Message sent
• 401 Unauthorised – Check your API key
• 400 Bad Request – You may have missed a required field

Log the responses so you can retry failed messages or alert your team.

Step 5: Optional – Automate everything

You can use APIs to:

• Trigger SMS when an order is confirmed
• Send OTPs instantly
• Remind users of appointments
• Follow up on leads or payments

If you’re using platforms like Zoho, HubSpot, or WordPress, we also have ready plugins that save you from writing code.

Integration flow diagram

Here’s how it typically works:

[Your App] → [SMSCountry API] → [Mobile Operator] → [Customer’s Phone]

Or with automation:

[CRM] → [Webhook Trigger] → [SMSCountry API] → [User Receives SMS]

Simple, right?

Need help integrating SMSCountry API? Contact our support. We’re happy to assist.

What regulations should I be aware of when sending bulk SMS?

Before you send bulk SMS campaigns, it’s important to follow SMS regulations.

There are general regulations. But most SMS rules vary by country.

Let’s break it down:

General SMS Regulations (applies to most countries)

• Always get your recipient’s consent before sending marketing SMS
• Let users opt out easily (e.g., “Reply STOP to unsubscribe”)
• Avoid sending messages during restricted hours (like 9 PM – 9 AM)
• Use registered sender IDs where required
• Follow template-based messaging when applicable
• Store proof of opt-ins for compliance checks

SMS Regulations in India

• Register your entity on DLT platforms
• Use pre-approved sender IDs
• Submit message templates for approval
• Use template IDs when sending messages
• Consent scrubbing is mandatory
• Promotional SMS is allowed only between 10 AM and 9 PM
• Headers must match your DLT registration

Want to learn more? Read our full blog on India SMS Regulations

SMS Regulations in the USA

• Follow TCPA (Telephone Consumer Protection Act) guidelines
• Get express written consent before sending promotional SMS
• Provide clear opt-out instructions
• Register on The Campaign Registry (TCR)
• Use 10DLC or dedicated shortcodes
• Avoid SHAFT content (Sex, Hate, Alcohol, Firearms, Tobacco)

See our full guide on USA SMS Regulations

SMS Regulations in the UAE

• Use Etisalat or Du as telecom channels
• Messages must be sent via registered sender IDs
• Promotional SMS is only allowed through licensed providers
• No promotional SMS between 9 PM and 7 AM
• Prior approval is needed for campaign templates

See our complete blog on UAE SMS Regulations

SMS Regulations in the UK

• Comply with GDPR and PECR rules
• Must have user consent for SMS marketing
• Offer opt-out in every message
• Keep records of consent
• Don’t send spam or misleading content
• Include sender info clearly in messages

Explore more in our blog on UK SMS Regulations.

Now, let’s switch to the marketing part of SMS.

What is bulk SMS marketing?

Bulk SMS marketing is when you send promotional or informational text messages to a large group of people at once, usually your customers, leads, or subscribers.

The goal? To promote offers, drive engagement, boost sales, or simply update your audience.

Marketing messages are short (usually 160 characters), straight to the point, and can be personalised with the recipient’s name, location, or previous purchase.

Whether it’s a flash sale, a new launch, or a gentle reminder, bulk SMS marketing helps you reach your audience instantly, right where they are, on their phone screens.

Why is bulk SMS marketing effective?

Here are the key reasons why bulk SMS does well when used for marketing:

• Fast delivery and instant visibility
• Impressive high open rates (98%)
• Memorable and concise messaging
• Great for mobile-first audiences
• Highly targeted and personalised
• Cost-effective with big ROI
• Trackable and measurable results
• Supports automation and scheduling
• Facilitates two-way communication

1. Lightning-fast delivery and instant visibility

The moment you hit “Send,” your SMS starts zipping through the air — and within seconds, it lands on your customers’ phones. No email clutter, no promotions tab, no waiting for your recipient to log into an app. This speed makes SMS ideal for urgent alerts, flash sales, or time-sensitive offers.

2. Incredibly high open rates

Let’s face it — we all ignore a bunch of emails, right? But when your phone buzzes with a message, you almost always check it. SMS has a 98% open rate, usually within the first 3 minutes. In other words, an SMS is a sure shot if you want your message to be seen.

3. Memorable and concise messaging

There’s beauty in keeping it short. You’re limited to 160 characters with SMS, so you’re forced to cut the fluff. That means your message gets to the point faster and sticks better. It’s perfect for offers, discounts, and quick updates without a novel explanation.

4. Great for mobile-first audiences

In a world where most people live on their phones — from scrolling reels to booking cabs — SMS feels native. Installing apps, updating software, or having Wi-Fi is unnecessary. If someone has a phone, they can get your message. Simple as that.

5. Highly targeted and personalised

Modern SMS tools let you segment your audience and personalise your messages. So instead of blasting the same thing to everyone, you can say: “Hey, Alex, here’s 20% off your favourite sneakers!” That relevancy leads to higher response rates and a better customer experience.

6. Cost-effective with big ROI

Bulk SMS is surprisingly affordable, especially when compared to traditional or paid digital ads. You’re paying pennies per message, but reaching people directly and instantly. That combination makes it one of the best-performing channels in terms of ROI.

7. Trackable and measurable results

Most SMS platforms, like SMSCountry, give you delivery reports, link click data, opt-outs, and more. So you can see what’s working and what’s not, in real-time. That’s gold when you want to optimise campaigns or A/B test different messages.

8. Supports automation and scheduling

Want to send a birthday wish with a discount at midnight? Or remind users of an upcoming appointment without lifting a finger? Bulk SMS API allows for automation, triggers, and scheduling, making it easy to run personalised campaigns without manual work.

9. Facilitates two-way communication

With 2-way SMS, you can converse with your customers. You can ask customers for feedback, confirmations, or even run quick polls. It’s a great way to keep your communication human and engaging.

Let’s compare SMS marketing with Email and WhatsApp marketing.

Feature	SMS Marketing	Email Marketing	WhatsApp Marketing
Message delivery speed	Instant delivery; messages are typically read within 90 seconds.	Varies; emails may be read within hours or days.	Instant delivery; messages are usually read promptly.
Open rates	Approximately 98% open rate.	Around 20% open rate.	Approximately 98% open rate.
Click-Through Rates (CTR)	Approximately 29% conversion rate.	Around 15.2% conversion rate.	25–40% click-through rate.
Cost	$0.01–$0.05 per message.	$10–$50/month for thousands of emails.	Free for basic use; $0.005–$0.05 per 24-hour conversation via Business API.
Message length	Limited to 160 characters.	No strict limit; allows for detailed content.	Supports longer messages.
Multimedia support	Limited; MMS allows images/videos but at a higher cost.	Full support for images, videos, and attachments.	Full support for images, videos, and documents.
User engagement	High engagement due to immediacy.	Moderate engagement; depends on content quality.	High engagement with interactive features.
Personalisation	Basic personalisation (e.g., name insertion).	Advanced personalisation with dynamic content.	Advanced personalisation with conversational context.
Automation & scheduling	Supports automation and scheduling.	Extensive automation and scheduling capabilities.	Supports automation via chatbots and scheduling.
Opt-in/opt-out rules	It requires explicit opt-in; it must provide an opt-out option.	Requires opt-in; must provide unsubscribe option.	Requires opt-in; users can block or report messages.
Deliverability	High deliverability; minimal spam filtering.	Subject to spam filters; deliverability can vary.	High deliverability; messages sent to active users.
Regulatory compliance	Governed by laws like GDPR and CAN-SPAM, strict compliance is required.	Governed by laws like GDPR and CAN-SPAM, compliance is necessary.	Governed by privacy laws, compliance with platform policies is required.
Trust Factor	High trust; messages come from recognised numbers.	Variable trust; emails can be perceived as spam.	High trust; messages come from known contacts.
Reach	Universal reach; works on all mobile phones.	Broad reach; depends on email access and internet connectivity.	Limited to WhatsApp users; requires internet access.
Two-Way communication	Limited; primarily one-way communication.	Limited responses may not be immediate.	Strong two-way communication with real-time chats.
Best for	Urgent alerts, reminders, and time-sensitive promotions.	Newsletters, detailed updates, and formal communications.	Customer support, interactive promotions, and conversational marketing.

Now, you know why bulk SMS wins. Let’s now talk about what you’ll gain when you use bulk SMS for marketing.

What are the benefits of using bulk SMS for marketing your business?

Here are the perks of bulk SMS marketing:

• Fast message delivery
• Exceptionally high open rates
• Wide audience reach (no internet needed)
• Cost-effective for all business sizes
• Easy to personalise messages
• Supports automation and scheduling
• High engagement and response rates
• Works well with other marketing channels
• Instant performance tracking
• Simple opt-in/opt-out compliance

1. Lightning-fast message delivery

Bulk SMS gets your message across in seconds. Unlike emails that may sit unread or push notifications that get ignored, SMS is direct and usually lands instantly in your customer’s pocket.

2. Exceptionally high open rates

SMS boasts an open rate of around 98%. That means your audience reads your messages 98 times out of every 100 messages you send. Compared to email’s average of 20%, it’s clear why marketers are shifting their focus to SMS.

3. Wide audience reach (no internet needed)

One of the biggest perks? It works on any phone—smartphone or not—and doesn’t need internet access. Perfect for reaching users in low-connectivity areas or those who don’t use smartphones frequently.

4. Cost-effective for all business sizes

Bulk SMS is incredibly budget-friendly. You can reach thousands of users for the cost of a coffee. Whether you’re a startup or an enterprise, you can scale your campaigns without burning a hole in your pocket.

5. Easy to personalise messages

Even though SMS has a 160-character limit, you can still personalise each message with names, locations, or custom fields. That little touch of personalisation increases trust and response.

6. Supports automation and scheduling

You can schedule messages to go out at the perfect time and even automate recurring messages—like appointment reminders, payment alerts, or promotional blasts.

7. High engagement and response rates

Since messages are short, timely, and personal, users are more likely to engage—whether it’s clicking a link, replying, or redeeming an offer. The simplicity of SMS keeps users focused.

8. Works well with other marketing channels

SMS plays well with others. You can use it to remind users to check an email, confirm a purchase, or follow up on a WhatsApp conversation. It’s a strong sidekick to your overall marketing strategy.

9. Instant performance tracking

Most bulk SMS platforms give you real-time stats, like delivery reports, open rates, and link clicks. This means you can tweak campaigns on the fly and get better results.

10. Simple opt-in/opt-out compliance

Staying compliant is easy. Users can subscribe or unsubscribe with just one word, and you can manage consent without juggling complex privacy policies.

What are some bulk SMS marketing strategy examples?

When e-commerce brand Ferns N Petals wanted to boost their last-minute Diwali sales, they turned to bulk SMS marketing. But instead of sending generic promotions, here’s what they did:

• Customer segmentation: They categorised users based on past purchase behaviour—gift buyers, home decor buyers, and same-day delivery shoppers.
• Personalised offers: Each group received tailored SMS messages. For instance, repeat gift buyers got a message like: “Hi Ankit, Diwali’s almost here 🎉 Grab 10% off on gifts your family will love. Order now before midnight!”
• Urgency-driven timing: SMS blasts were timed for high engagement hours, like early evenings and just before the weekend.
• Clear CTA: Each message included a trackable short link to the relevant product category.

The result? A 27% increase in click-through rates and a 19% uplift in conversions, just from SMS.

Want to see more real-life bulk SMS campaigns like this? Check out this blog for bulk SMS campaign examples.

Phew!

That’s the end of the main portion of this article. 

What follows are questions people normally ask about bulk SMS. We answered them in no particular order. Then follow with an FAQ section.

Hope this article has helped to answer a lot of your questions about bulk SMS.

How do you write effective bulk SMS messages?

Writing bulk SMS messages is an art. You only have space for 160 characters (or less) per message, and you need to grab attention fast.

Here’s how to do it well:

• Start with the name: Personalisation gets attention. Example: “Hi Riya, your order is ready for pickup!”
• Be clear and concise: No jargon, no fluff. Every word must earn its spot. “Flat 15% off on skincare. Shop now. Ends today!”
• Create urgency: Use limited-time language to prompt quick action. “Last 24 hours! Claim your 20% off now.”
• Include a strong CTA: Tell them what to do next. “Tap here to book your seat: smsc.co/xyz”
• Use a sender ID they trust: Your brand name as the sender increases open rates.
• Test and tweak: A/B test message formats, send times, and CTAs to see what clicks.

Want ready-made templates you can tweak? Browse our SMS message templates here.

How do I send bulk SMS from my phone or computer?

You can send bulk SMS directly from your phone or computer and reach many customers at once using a bulk SMS service provider, which is very easy even for first-timers.

Here’s a step-by-step beginner’s guide to sending bulk SMS:

Step 1: Choose a bulk SMS service provider

Bulk SMS providers give you the tools (like a website or app) to send SMS messages to many people at the same time. Examples include SMSCountry, Twilio, Textlocal, and others.

Step 2: Create an Account

Visit the provider’s website and sign up for an account. You’ll need to verify your email or phone number. This usually takes a minute or two.

Step 3: Choose Your Sending Method

There are two easy options for sending SMS:

a) Using the Web Portal

This is the provider’s online dashboard. Once logged in, you can:

• Upload contacts (manually or by uploading a spreadsheet).
• Write your message.
• Schedule or send instantly.

The web portal is like a control panel. You don’t need to install anything, just log in from your browser.

b) Using Your Mobile Phone App (if offered)

Some providers have mobile apps. Just install the app, log in, and repeat the same process above from your phone.

Step 4: Upload or Type in Your Contact List

You can add phone numbers one by one, or upload an Excel/CSV file (a spreadsheet of phone numbers).

CSV stands for Comma-Separated Values. It’s just a simple spreadsheet file, like your Excel contacts sheet, where each row is a phone number.

Step 5: Write Your SMS

Keep it short (usually under 160 characters), clear, and include a call-to-action. You can personalise messages using dynamic fields (like adding the recipient’s name).

A call-to-action (CTA) is something that tells your reader what to do next: “Click here,” “Reply YES,” “Call now,” etc.

Step 6: Preview & Send or Schedule

Before you send, check for typos or mistakes. Most portals let you preview how the message will look. Then click Send Now or schedule it for later.

Step 7: Track Message Delivery

Good providers (like SMSCountry) let you track your messages, so you can see who received, opened, or clicked your message.

This is called delivery tracking or delivery reports. It shows whether your message reached the recipient or not.

Here’s a simple workflow diagram:

[You] → [Login to SMS Portal] → [Upload Contacts] → [Write Message] → [Preview] → [Send/Schedule] → [Track Delivery]

What are Bulk SMS service providers?

Bulk SMS service providers are cloud platforms that help individuals and businesses send mass text messages to thousands of people at once.

They provide:

• A dashboard or mobile app
• Access to telecom networks
• Tools to write, personalise, and schedule messages
• Delivery reports and tracking
• APIs for SMS automation

Popular bulk SMS providers include:

• SMSCountry
• Twilio
• Textlocal
• MSG91
• Clickatell

These providers act as the middlemen between you and mobile networks, making it easy to reach large audiences in seconds.

How do bulk SMS Service providers work?

Here’s a simplified explanation of how they work, even if you’re not tech-savvy:

Let’s break it down.

• You write a message: From a simple dashboard, you craft one message (like an invitation, offer, or reminder).
• You select your audience: Upload or import your list of phone numbers.
• The SMS provider connects to mobile networks: Your message is passed from the provider’s system to telecom operators like Airtel, MTN, GLO, etc., through an SMS gateway.
• The message is delivered instantly: Recipients receive it on their phone, even without access to the internet.

This all happens in a few seconds.

Advanced users can also use APIs to connect apps or CRMs to send SMS automatically (e.g., when a customer places an order or misses an appointment).

What happens behind the scenes?

• Message formatting: Your message is converted into a format that mobile networks understand.
• Smart routing: The system picks the best and fastest route to deliver your message.

Delivery reports: The provider collects information from mobile networks and tells you which numbers received your message. 

Which Bulk SMS Service is Best for Startups?

Here’s a quick list of beginner-friendly providers:

• SMSCountry – Great support, free SMS templates, and an easy-to-use dashboard
• Twilio – Strong API features
• Textlocal – Good for small teams in the UK & India
• ClickSend – Good for international SMS
• Kaleyra – Strong global reach

We picked these bulk SMS providers based on:

• Ease of use for beginners
• Cost-effectiveness for small businesses
• Message delivery speed and success rate
• Quality of customer support
• Features like tracking, scheduling, and templates

For most startups, SMSCountry stands out because of its:

• User-friendly dashboard (for both desktop and phone)
• Smart delivery routing (so messages don’t get stuck)
• Free template library
• 24/7 support in English and Arabic
• Dedicated account manager

If you’re a startup and just getting into SMS, start with SMSCountry, it’s easy to use, affordable (pay-as-you-use pricing), and built with small businesses in mind.

You also get free SMS credits on signup, and local compliance support (like DLT in India). These benefits (and many more) place SMSCountry among the best and most reliable bulk SMS providers in India.

Which are the best bulk SMS service providers in India?

Here’s a list of the top bulk SMS providers in India:

• SMSCountry
• TextLocal
• MSG91
• SolutionsInfini (Kaleyra)
• Route Mobile

Why and how we picked these providers:

We considered five essential factors that are especially important to businesses in India:

• Delivery rate: We checked whether messages are delivered quickly and reliably.
• DND filtering: All listed platforms are compliant with India’s TRAI (Telecom Regulatory Authority of India) regulations, especially for DND numbers.
• Support for regional languages: Most Indian businesses cater to customers in regional languages, and these platforms offer that.
• User interface & ease of use: Ideal even for beginners.
• Competitive Pricing: They all offer affordable rates for both startups and enterprises.

Want a full comparison and pricing details? Check out our blog post: Best Bulk SMS Service Providers in India

Which are the best bulk SMS service providers in the UAE?

Top picks in the UAE include:

• SMSCountry
• Etisalat Messaging Services
• Du Messaging Services
• Routee
• Unifonic

To make this decision, we focused on features that matter in the UAE’s business ecosystem:

• UAE TRA-compliance – All platforms are approved for commercial SMS messaging.
• Arabic & English SMS support – Essential for reaching multilingual audiences.
• Fast, local delivery – Providers with UAE-based delivery routes perform better.
• Integration with CRMs & ERPs – Important for retail, healthcare, and government orgs.
• Ease of use for SMEs and enterprises – From single messages to massive campaigns.

Dive into our full list with detailed comparisons in this guide: Best Bulk SMS Providers in the UAE

Which are the best bulk SMS service providers in Oman?

Top SMS providers for Oman:

• SMSCountry
• Ooredoo Oman SMS Gateway
• Omantel Messaging Services
• Unifonic
• Kaleyra

We evaluated these five platforms based on:

• Licensed local coverage – These providers operate through Oman’s licensed mobile operators.
• Unicode & language support – For Arabic and English messages.
• Message speed & scalability – Suitable for both startups and national campaigns.
• Local customer support – Useful for businesses new to SMS.
• Compliance with the Telecom Regulatory Authority (TRA) Oman

See our detailed guide on: Best Bulk SMS Providers in the GCC

Which are the best bulk SMS service providers in Qatar?

Top providers in Qatar:

• SMSCountry
• Ooredoo Messaging Services
• Vodafone Qatar SMS Gateway
• Infobip
• Unifonic

We selected these providers based on the critical factors they fulfil for businesses in Qatar:

• Strong mobile penetration: These providers support wide network coverage across Qatar.
• Fast delivery with High throughput: Ideal for both alerts and marketing.
• Local language compatibility, Arabic messaging and RTL text support.
• API integrations: Easily connect to apps, CRMs, and ERPs.
• Regulatory compliance: Operate under Qatari telecom laws.

Need more insights? Read: Best Bulk SMS Providers in the GCC

Which are the best bulk SMS service providers in the GCC?

Here’s our shortlist for the GCC region (includes UAE, Oman, Qatar, Saudi Arabia, Bahrain, and Kuwait):

• SMSCountry
• Unifonic
• Kaleyra
• Infobip
• Routee

While picking these providers, we considered vital factors like:

• Country-wide Coverage – Pan-GCC network access across all telecoms.
• Multi-language Support – Especially Arabic and English.
• SMS Compliance – Every provider complies with local SMS marketing laws.
• Bulk Campaign Tools – With dashboards, templates, and segmentation tools.
• Reliability & Reputation – Trusted by banks, hospitals, e-commerce, and governments.

✅ Don’t miss our regional guide: Best Bulk SMS Providers in the GCC

Which are the best text messaging service providers in the USA?

Top SMS platforms in the USA include:

• Twilio
• EZ Texting
• SMSCountry
• TextMagic
• SimpleTexting

We handpicked these providers because in the US, business texting has specific demands:

• 10DLC Compliance: These providers help register your brand and use approved SMS routes.
• TCPA Compliance: They guide you on staying compliant with privacy and opt-in laws.
• Powerful APIs and No-Code Tools: Easy for both developers and marketers.
• Two-way Messaging: Ideal for customer support and sales teams.
• Templates & Analytics: To help you create and track effective campaigns.

And they meet each of these criteria.

Learn more in our article: Best Bulk SMS Providers in the USA

Which are the best bulk SMS service providers in the UK?

Here are the top UK SMS marketing platforms:

• SMSCountry
• TextAnywhere
• FireText
• MessageBird
• ClickSend

And, we picked these providers because the UK SMS ecosystem values:

• GDPR compliance: Your data stays safe and secure.
• SMS & MMS support: For richer content in campaigns.
• Direct connections with UK carriers: For better delivery speeds.
• No-code campaign tools: Great for first-timers.
• Pay-as-you-go pricing: Perfect for small and medium businesses.

Explore full features in this blog: Best Bulk SMS Providers in the UK

What is the best bulk SMS gateway?

SMSCountry is our top pick for the best bulk SMS gateway, and here’s why.

• Global reach with local support: Whether you’re in India, the UAE, Nigeria, the UK, or the USA, SMSCountry gives you access to local delivery routes for faster and more reliable SMS delivery.
• Instant delivery, every time: Their Tier-1 SMS gateway routes mean you don’t have to worry about message delays.
• Robust API integrations: Developers love SMSCountry for its easy-to-use API that integrates with CRMs, eCommerce platforms, and apps.
• Free SMS templates
  You don’t need to start from scratch. They give you a full library of pre-written templates for every industry and purpose.
• Affordable pricing: SMSCountry offers flexible pricing plans for startups, SMEs, and large enterprises.
• Customer support that cares: Get 24/7 live support with real humans who guide you through every step — even if you’ve never sent an SMS before.

What is the cost of bulk SMS in different countries?

Bulk SMS costs vary by country due to factors like local telecom regulations, delivery routes, sender ID types (numeric or alphanumeric), and whether messages are promotional or transactional. Below is a general cost estimate as of 2025:

• India: ₹0.10 to ₹0.25. India is one of the most affordable markets for bulk SMS. Prices depend on the provider, volume, and DLT (Distributed Ledger Technology) compliance.
• United Arab Emirates (UAE): AED 0.08 to AED 0.20 (≈ $0.02 to $0.05). The UAE has strict regulations around sender IDs and approvals, which can affect pricing. Promotional messages may cost more than transactional ones.
• Oman: OMR 0.015 to OMR 0.030 (≈ $0.04 to $0.08). Oman uses pre-approved sender names. Bulk messaging must follow TRA (Telecommunications Regulatory Authority) guidelines.
• Qatar: QAR 0.10 to QAR 0.25 (≈ $0.03 to $0.07). Similar to other GCC countries, sender ID registration and message content approval are essential.
• United States (USA): $0.007 to $0.015. Prices are low, but you need to factor in 10DLC registration, carrier surcharges, and opt-in compliance for A2P (Application-to-Person) messages.
• United Kingdom (UK): £0.02 to £0.045. The UK has moderate pricing, with added fees depending on the network. Unicode or long messages can double the cost.

Note: These are average industry rates. Final pricing depends on the bulk SMS service provider, message volume, and regulatory compliance in each country. That’s why a pay-as-you-use pricing model is the best for bulk SMS, no matter your country or volume.

What are the disadvantages of bulk SMS?

Although bulk SMS is a powerful tool for reaching thousands in seconds, like all communication tools, it also has its downsides, especially if you use a poor provider or don’t know how to work around its limits.

Let’s explore the common concerns… and how SMSCountry helps you turn them around.

1. Limited message length (160 characters)

Bulk SMS traditionally allows only 160 characters per message (using standard GSM encoding). Exceed that, and it either gets broken into multiple messages (which can cost more) or gets compressed poorly.

With SMSCountry: You can use Rich SMS, which includes clickable links, images, videos, documents, and call-to-action buttons, without needing to say it all in text. That way, you use the SMS as a doorway to deeper content, saving space and boosting engagement.

2. Risk of spam filters and message blocking

Telecom carriers are more aggressive than ever in filtering spam. Messages with suspicious words, links, or overuse of capital letters can get blocked or flagged.

With SMSCountry: You get smart delivery routing and compliance-ready templates that reduce the risk of spam filters. Our team even helps you get your sender ID pre-approved in countries like the UAE, Oman, and India—so your messages land in inboxes, not firewalls.

3. Opt-in requirements and legal compliance

Many countries legally require recipient consent (opt-in) before you send marketing SMS. Ignoring this can get your sender ID blacklisted, or worse, your business fined.

With SMSCountry: We provide built-in tools for managing opt-ins, unsubscribes, and preferences. Our platform follows country-specific regulations like:

• DLT in India
• 10DLC in the US
• Sender ID registration in GCC

So you stay safe, legal, and trusted by carriers and customers.

4. No visual media (traditionally text-only)

Yes, basic SMS can feel boring—it’s just plain text, right? No flashy images or rich media.

With SMSCountry: You get Rich SMS options that transform boring text into clickable landing pages with:

• Product images
• Personalised offers
• Contact buttons
• Video thumbnails

All in one SMS.

5. One-way communication

Many bulk SMS platforms only send messages. They don’t allow customers to reply or interact. That means no customer feedback, no real-time conversations, and no engagement.

With SMSCountry: You get two-way SMS, with a shared or dedicated virtual number so customers can respond directly. Integrate it with your CRM or helpdesk to automate replies, or assign real agents to chat live.

It’s perfect for:

• Appointment confirmations
• Feedback collection
• Real-time support

6. Country-specific rules are confusing

Every country has its own regulations. From TRA approvals in the UAE to opt-in records in the US, it’s a maze for newcomers.

With SMSCountry: You don’t have to figure it all out on your own. Our platform:

• Helps you register sender IDs
• Guides you through the regulations per country
• Offers local support and language options
  So you can send messages across borders—with confidence.

So, bulk SMS isn’t dying; it’s evolving. And with tools like Rich SMS, Two-Way Messaging, Smart Routing, and Compliance Management, you can make SMS your most powerful and affordable communication channel.

That’s what SMSCountry is built for.

• High delivery
• Low cost
• Regulatory peace of mind, and
• Smarter ways to engage

Ready to send your next message the smarter way? Start with SMSCountry and see the difference. 

How to send bulk SMS with SMSCountry

Step 1 – On your browser, go to www.smscountry.com

Step 2 – Click on “Signup” and Register for free by filling in the required details.

Step 3 – Upload the list of mobile numbers to your SMS Web Panel on SMSCountry. You can upload a CSV file containing all the details.

Step 4 – Verify that users have opted-in to receive communication or get users to opt-in to receive communication from you.

Step 5 – Buy SMS Credits from SMSCountry Online or raise an invoice from your account. You can also try it out with free credits.

Step 6: Compose your message, choose the list of recipients, and send your first bulk SMS messages.

You will be able to see the report on your dashboard.

Congratulations on sending your first bulk SMS!

Now you know what a bulk SMS is and you have seen how simple, fast, and reliable SMSCountry is. You can speak to our support team to learn more.

You can also read about the best bulk SMS providers or about the best OTP SMS providers on our blog.

If you want to request a demo, feel free to contact us, and we’d be happy to help.

Is bulk SMS still worth it in 2025?

The answer is “Yes”.

If you want your message seen fast, opened almost every time, and acted on without distractions, bulk SMS is the channel that gets you straight to your customer’s hand.

It’s affordable. It works without the internet. And it doesn’t care if your customer uses the latest iPhone or a decade-old Nokia 3310. Everyone gets your SMS. Everyone reads your SMS.

That’s why smart businesses—from local salons to global brands—keep coming back to SMS. Because when it comes to real-time reach, nothing else comes close.

And the best part? It’s ridiculously easy to start. Bulk SMS fits right into your flow, whether you’re using a web portal, plugging it into your CRM, or using an API to run things on autopilot.

And, in a world full of noise, you will be heard, loud and clear.

Frequently Asked Questions

Is bulk SMS legal in India?

Yes, bulk SMS is legal in India. However, to prevent spam, the Telecom Regulatory Authority of India (TRAI) requires all businesses to register on the DLT (Distributed Ledger Technology) platform before sending bulk messages. We guide you step-by-step through DLT registration and help you get your sender ID and message templates approved quickly, so you stay compliant and your messages get delivered.

Can I send bulk SMS without DLT registration?

No, you can’t. In India, DLT registration is mandatory for all promotional and transactional SMS. Carriers will reject your SMS if you’re not registered. SMSCountry’s support team helps you with the DLT paperwork, approval timelines, and even how to structure templates correctly.

Is bulk SMS legal in the USA?

Yes, bulk SMS is legal in the USA—but it’s strictly regulated.
You must comply with TCPA (Telephone Consumer Protection Act) and 10DLC (10-digit long code) rules. This includes getting user consent and registering your campaign with carriers. At SMSCountry, we ensure your campaigns meet 10DLC compliance, sender verification, and opt-in best practices, so you stay on the safe side.

Is bulk SMS effective for marketing?

Absolutely, yes. Bulk SMS has a 98% open rate and delivers your message in seconds, making it one of the fastest and most effective marketing tools, especially for time-sensitive offers, updates, and OTPs.

Pro Tip: Use Rich SMS from SMSCountry to turn your text into clickable landing pages with videos, images, and CTAs to boost conversions.

Is bulk SMS legal in the UK?

Yes, but like other countries, you must get prior consent from recipients. The UK’s ICO (Information Commissioner’s Office) monitors spam and misuse under PECR (Privacy and Electronic Communications Regulations).

✅ SMSCountry helps you stay compliant with UK regulations, including unsubscribe links, consent management, and opt-out tools.

Is bulk SMS legal in Qatar?

Yes, bulk SMS is allowed in Qatar, but under the condition that the recipient has opted in to receive messages. The Communications Regulatory Authority (CRA) monitors SMS practices. With SMSCountry, you get country-specific guidance for sender ID approvals, message formatting, and compliance, helping you avoid any bans.

Is bulk SMS legal in the UAE?

Yes. But you must get TRA (Telecom Regulatory Authority) approval and use pre-approved sender names. Spam is heavily penalised. SMSCountry is experienced in TRA regulations and can help you get your sender ID whitelisted fast, ensuring smooth message delivery in the UAE.

Is bulk SMS legal in Oman?

Yes, but there are strict regulations by TRA Oman. Businesses must have recipient consent, and messages should not be misleading or spammy. With SMSCountry, you get help managing compliance, including whitelisting your brand, timing restrictions, and opt-out requirements.

How do you send bulk SMS from Excel?

It’s simple!

1. Create your list in Excel with columns like name, phone number, and message.
2. Upload the file to the SMSCountry dashboard.
3. Map the columns (e.g., phone number to recipients).
4. Schedule or send your messages instantly.

Need step-by-step help? Check out our complete guide: How to Send Bulk SMS from Excel

How do you use bulk SMS for OTP delivery?

You can use bulk SMS for real-time OTP delivery by:

• Integrating your website/app with SMSCountry’s OTP API
• Automating OTP generation and delivery
• Ensuring high-speed, low-latency SMS routes for instant reach

SMSCountry ensures secure and lightning-fast OTP delivery, backed by a reliable infrastructure with global delivery coverage.

How do you schedule bulk SMS campaigns?

With SMSCountry, it’s easy:

1. Upload your recipient list or use saved contacts.
2. Draft your message or use a template.
3. Pick the date and time for delivery.
4. SMSCountry will automatically queue and send at your chosen time.

You can schedule SMS for different time zones and even automate recurring messages.

How do you send personalised bulk SMS?

Use dynamic placeholders in your message template.

For example:

“Hi {name}, your order #{orderID} has been shipped!”

Steps:

1. Upload an Excel file with custom fields like names, IDs, etc.
2. Use those variables inside your SMS message.
3. SMSCountry will insert the correct details for each recipient.

This makes your bulk SMS feel personal and human, and it boosts engagement too.

Is bulk SMS outdated?

Not at all.

SMS is more relevant than ever:

• It doesn’t need internet
• It works on every phone
• It gets read within 3 minutes
• It bypasses email spam filters

With Rich SMS, two-way messaging, interactive landing pages, and API automation, SMS is evolving, and SMSCountry helps you stay ahead of the curve. 

Can I send an SMS via the Internet?

Yes! You can easily send SMS via the Internet. Just log in to your secure SMSCountry web portal and upload your contact list to start delivering bulk SMS.

How do I send bulk SMS in Nigeria?

You can use SMSCountry.com to send bulk SMS in Nigeria. Just login to your portal, choose your contact list, type your 160-character SMS and hit deliver.

Can I send bulk SMS for free?

Yes. There are ways you can send bulk SMS for free, but there’s going to be a limit on it. For instance, with SMSCountry, you can only send free bulk SMS worth 10 credits.

How to send 10,000 messages at once?

To send 10,000 SMS at once, you can use a bulk SMS provider like SMSCountry. The platform lets you upload your contact list and create a bulk SMS campaign that delivers your SMS to all your contacts. 

How can I send 10000 messages on WhatsApp?

To send 10,000 messages on WhatsApp, you need a WhatsApp business API of a bulk SMS provider like SMSCountry.

How do I send bulk SMS with my phone?

You can send bulk SMS with your phone using a bulk SMS service provider’s mobile phone application. A good SMS provider’s mobile app is as good as their web and desktop platforms.

Is there an app to send free SMS?

You can use SMSCountry’s mobile app to send free SMS worth 10 SMS credits. To get these free credits, all you have to do is start your free trial and request the free credits.

What is SMS called now?

SMS stands for Short Messaging Service, but people also refer to it as “texting’ or “chatting”. 

What is the new type of SMS?

The new type of SMS is actually called Rich Communication Service (RCS). This new type of SMS ( or RCS) is capable of not just delivering texts but also high-resolution photos and files.