Simple, real-time communication with Esendex APIs

Integrate Esendex services into your software in minutes to transform communications instantly
An image showing how you can access business messaging services via the Esendex messaging platform and 3 of the main types of messages you can send via it (SMS, WhatsApp and RCS)

Get Started

Our API documentation aims to help you to quickly and effortlessly integrate Esendex’s messaging channels into your own systems, including how to start a free trial and find your API key. As messaging experts, we’re always here for questions, advice and we love to hear about how you are using our APIs!

Please use Conversations v1 API Documentation. Our new API suite is currently in early access, if you would like more information on our new APIs or how to upgrade please contact our sales team.

Sending your first message

Send messages to customers through multiple channels

Checking your message status

Get a status update on delivery for each message sent

Receiving inbound messages

Receive messages from customers to enable 2-way conversations

Checking your credit balance

Review your balance by account for each channel

Creating text templates

Create and save SMS templates to deliver consistent messaging

Get started with a free trial account

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Existing Esendex Customers

If you became an Esendex customer before 27 July 2022, or began using our APIs before 8 November 2022, please click below for your API documentation.