ClickSend Documentation and API
Start building
with a
battle-tested messaging API
Pick your language and jump-in with our SMS Quickstart Guides.
Pick your language and jump-in with our SMS Quickstart Guides.
One powerful API, unlimited options
SMS
Text customers around the globe. Most developers send their first message in minutes. With rock-solid reliability, support and compliance — you can breathe easy.
MMS
Send images and videos over text via a trusted API. Reliable and global with fast calls, no stress and no fuss.
Voice
Make outgoing text-to-speech voice calls, deployed via our 232+ global direct carrier connections.
Fax
Easily send faxes using our Fax API. Guarantee that your document goes where it needs to, quickly and efficiently.
Letters + Postcards
Integrate your app with our API to print and mail letters and postcards. Supported by our global print and post partners.
Global reach for
worldwide businesses
Send SMS and MMS communications globally via direct routes. With 99.95% uptime, fast calls and high throughput, our API is built to scale.
100M
SMS per month
190+
countries globally
30s
avg. support time
99.95%
uptime guarantee
5m
avg. time to send
10
coding languages
Test our API with Postman
Head over to our Postman guide and start testing our API. You’ll get free test credit* when you create an account. Get started on us.
*Free test credit is valid for new accounts only. Free credit is equivalent to $2 AUD.
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Search over 200+ integrations
Sync ClickSend with your favourite tools and apps. We’ve shipped the code so you don’t have to.