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SMS Gateway API

Integrate the ClickSend SMS API with your business system for simply great results. Our SMS API gateway service makes bulk SMS marketing a cinch.

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Use the ClickSend SMS Gateway API to

Automate Your Texts

ClickSend offer a powerful and flexible set of SMS APIs so you can programmatically send text messages. Our SMS gateway API facilitates SMS integrations, as it allows our clients to combine their current communication applications with our bulk SMS service, creating more leads and furthering your bottom line.

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SMS Sending API
Communicate with your customers through a channel they simply can't miss, and do it from your existing communication application network. Our SMS API makes reaching your customers easy from your existing technical infrastructure.
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Why the ClickSend API code?
ClickSend have over a decade of developing backend SMS API code, that we use to help our clients achieve effective results in efficient ways. We understand how your business applications are important and we work to improve them through our SMS integration.
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Built For Developers
Our SMS gateway API has been created with developers at the forefront of our thinking. We understand the implemented code infrastructure your company has deployed for a range of reasons, so we deliver compatible SMS API to your existing systems, that make SMS sending through our API seamless to your operations.

What is an SMS Gateway API?

An SMS API is a defined set of instructions which enable applications to send SMS via an SMS Gateway. An SMS Gateway API is used to add native bulk SMS capability to existing software and applications.

In other words, the ClickSend SMS Gateway API allows you to unlock SMS capability in your existing software platforms.

Get Started with the ClickSend SMS Gateway API

Download our sample SMS gateway API code now to confirm they are compatible with your system. Our SMS API can integrate into your existing code and make communicating with your customers easy.

Integrate with ClickSend today and begin SMS sending via our gateway API. Check out these resources to get started.

Or integrate now with our free API key

Why Choose ClickSend's SMS Gateway API?

Our popular REST gateway API offers an intelligent solution to sending bulk text messages over a range of different mobile networks. We also offer HTTP, FTP and SMPP APIs, as well as APIs for our voice, email, post and fax services. We make SMS integration effortless with our SMS gateway API and have a range of downloadable sample codes available so you can be assured of compatibility, see the link at the bottom of this page to download our sample SMS gateway API codes and ensure they’re compatible with your systems.

No Upfront Contracts or Fees

No Upfront Contracts or Fees

Never based on the size of your database - send SMS how you want and only pay for what you use.

Free 24/7 Support

Free 24/7 Support

Talk to us through live chat, phone, contact form or email. There’s always a human on the other end, ready to help.

We Will Beat Any Quote

We Will Beat Any Quote

Seen a better offer? Bring it to us so we can make a deal.

High Performance

High Performance

4800 messages per minute with long 1224 character limit and lightning fast delivery.

Global Coverage Direct Routes

Global Coverage Direct Routes

Send SMS online to all countries globally. Guaranteed delivery with Tier 1 networks.

100% Uptime SLA Guarantee

100% Uptime SLA Guarantee

We’re so confident in our reliability, we offer a 100% uptime SLA guarantee so you can be sure your message reaches when you need it to.

Why Businesses Love The ClickSend SMS Gateway API

Reliable SMS Gateway

Count on ClickSend to send your bulk SMS reliably. With our 100% Uptime SLA Guarantee and use of Tier 1 networks, you can send mass text messages with confidence.

Or for non-developers, send SMS from our user-friendly Online SMS Marketing dashboard.

Reliable MMS Gateway
Reliable MMS Gateway

Seamless API Integration

Integrate with ease with our comprehensive SDK library and API documentation. Built for developers, by developers, we know how to play nice with hundreds of other platforms. Sign up now to access your API key.

Got questions about the United Statess best SMS API?

Our Support Team can't wait to get you set up. Contact us for full integration support.

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