ClickSend Documentation and API

Start building
with a
battle-tested messaging API

Pick your language and jump-in with our SMS Quickstart Guides.

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One powerful API, unlimited options

ClickSend SMS icon

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.

ClickSend MMS icon

MMS

Send images and videos over text via a trusted API. Reliable and global with fast calls, no stress and no fuss.

ClickSend Voice icon

Voice

Make outgoing text-to-speech voice calls, deployed via our 232+ global direct carrier connections.

ClickSend Fax icon

Fax

Easily send faxes using our Fax API. Guarantee that your document goes where it needs to, quickly and efficiently.

ClickSend Post icon

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

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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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Integrately

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Salesforce

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Magento

Search over 200+ integrations

Sync ClickSend with your favourite tools and apps. We’ve shipped the code so you don’t have to.