SMS gateway

Discover how our online SMS gateway can help you to rapidly target your audience with engaging text messages.

Reach your audience with our online SMS gateway

With an open rate of 98%, SMS is the most effective communications tool businesses and public services have at their disposal. Whether you’re sending a flash promotion, a restaurant booking confirmation, or an appointment reminder, timing is everything – and a powerful SMS gateway can help you to reach your audience in the most cost and time-efficient way possible. 

We’re all familiar with sending a text message to a friend – and an SMS Gateway allows businesses to do something very similar, but at scale. 

Our SMS gateway allows you to send messages to mobile networks by translating the message, so people receive it no matter what network they’re on. So rather than businesses having to connect with each mobile network or operator, an SMS gateway allows you to connect once and then we take care of the rest – ensuring your messages reach the right person, with the right device, in the right country almost instantly or at a time you schedule.

Our SMS gateway is accessed using our API functionality, which means you can integrate straight from your CRM or software, or you can use our web platform to import phone numbers and compose your messages via an easy-to-use interface.

Powerful SMS gateway features

Send mass SMS quickly

Ideal for time critical messages and notifications, we can help you send SMS quickly en masse.

SMS Marketing

Engage audiences and improve ROI with powerful SMS marketing campaigns.

2 Way SMS

Start conversations and engage customers by sending and receiving SMS at scale.

SMS Appointment Reminders

Reduce missed appointments by sending automated SMS reminders to your customers.

Schedule SMS

Schedule your SMS campaigns at the right time to drive conversions.

Two-Factor Authentication

Create secure logins by sending text messages to users of your application, website, or software.


Automate your entire SMS campaign and the response customers receive after replying.

Opt Out Handling

Recipients can easily remove themselves from your SMS campaign with a click of a button.

Detailed Reports

Get detailed reports on how many text messages are sent, plus other valuable insights.

How does Esendex’s SMS gateway work?

  1. Send messages via our API or platform.
  2. The SMS gateway determines the fastest and most direct route to send the message across local or international networks.
  3. The gateway can also support multiple content formats – for example SMS or MMS or even convert formats for example email to SMS. 
  4. It also manages messages received for replies and reporting.
  5. The Esendex SMS gateway only sends via direct routes, never grey routes and can handle millions of messages at speed. It’s also built with security at the forefront so you can be confident that data is protected.

How to access the Esendex SMS gateway

Our goal is to make using our  SMS gateway as straightforward as possible. The intuitive Esendex platform allows you to build, send and receive messages as well as manage your contacts, and report on send campaigns. Take a free trial to see how easy it is to get started. 

You can also integrate our messaging API which allows you to send across SMS, RCS & WhatsApp. With swagger formatted documentation and support available whenever you need it, you’ll quickly be able to:

  • Manage conversations
  • Check your message status
  • Enrich customer data
  • Monitor your credit balance

View the SMS API Documentation

Why choose Esendex’s SMS gateway?

Our SMS gateway is trusted by organisations across a range of sectors – including retail, financial services and healthcare. A powerful engine room in your business, it can drive your communications strategy, and is easy to implement and operate.

1. World class support

Most gateway SMS services don’t have active online support channels customers can speak to when they need it the most, and we understand. That’s why we have 24/7, around the clock emergency support for our SMS gateway API service.

  • Fast Response Times
  • Fast Troubleshooting
  • Chat, Email, & Phone Support

2. Global texting SMS API

Our bulk SMS gateway helps you leverage your business communication globally without any interruptions. Distance is no longer a barrier because we can offer connectivity across the globe.

  • Tier 1 SMS network
  • 99.9% guaranteed uptime

3. End-to-end data and security protection

We’re ISO 270001 accredited and use the most secure protocols to secure our communications (TLS 1.2). We do not use grey routes so you can rely on the quality of our message sends, and our APIs are served using HTTPS to ensure your data remain private.

SMS gateway FAQ

Everything you need to know about SMS gateway:

What is an SMS gateway?

An SMS gateway is a service that allows businesses to send and receive text messages, including SMS (short messaging service), and MMS (multimedia messaging service) in bulk. Messages are converted to the format used by network operators in different countries, and you can also personalise and schedule messages to engage audiences, as well as monitor performance.

What is an SMS gateway API?

An SMS gateway API is a web service that allows you to send and receive text messages. Businesses can use it to send messages to a mobile phone or an email address. The SMS gateway API provides a way to send messages from your application or website.

How to integrate an SMS gateway into a website?

Businesses can integrate an SMS gateway into a website in a few different ways. One option is to use an SMS gateway provider’s web-based SMS interface. This is usually the easiest way to get started because the provider usually offers detailed instructions on how to set it up. You can also use an SMS gateway API – which is more complicated to set up but can give you more flexibility in how you use the SMS gateway.

What is an SMS gateway provider?

SMS gateway providers allow businesses to send and receive text messages. This can be done through a web-based portal or through an application.

What is a bulk SMS gateway?

A bulk SMS gateway is a system that allows businesses to send large volumes of text messages to their customers.

What is SMS gateway software?

An SMS gateway software allows businesses to send and receive text messages. It is the platform that provides the interface between an organisation’s messaging system and the public telephone network. SMS gateway software is used to automate sending and receiving text messages. SMS gateway software sends mass text messages, SMS marketing, automated notifications, and more.

How to send an SMS using an SMS gateway?

You can send text messages from an SMS gateway by connecting to an SMS gateway API through your website, software, application, or CRM integration.

Ready to get started?