Name: SMS Gateway API
Brand: ClickSend
Rating: 4.6 (2472 reviews)

Products
- Business SMS
  Send and receive SMS messages.
- Business MMS
  Send and receive MMS messages.
- Rich Messaging
  Send using rich messaging channels like RCS and WhatsApp.
- Voice
  Send text-to-speech voice calls.
- Transactional Email
  Send transactional emails via SMTP gateway.
- Fax Gateway
  Send and receive faxes.
- Online Post
  Send letters and postcards via the cloud.
Integrations
Developers
Pricing
Resources
- The 2024 guide to SMS
  Take your business from set-up to SMS success in 2024.
- Solutions
  See how our products can solve common business needs.
- Industries
  See how your industry is using our SMS gateway.
- Help Guides
  View our simple guides, tips and help docs.
- Blog
  Stay up to date with insightful and comprehensive content.
- Videos
  View helpful and resourceful video content.
- Contact Us
  Chat to our amazing sales and support staff.
English - Global

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.

Get Sending For Free

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.

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.

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.

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.

Developers

API Documentation

SDK/Libraries

Or integrate now with our free API key

Access the 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

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

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.

High Performance

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

Global Coverage Direct Routes

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

Why Businesses Love The ClickSend SMS Gateway API

What is an SMS Gateway API?

Count on ClickSend to send your bulk SMS reliably. With our 99.95% 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.

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 best SMS API?

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