API Documentation

[TrueDialog API] This article introduces the TrueDialog platform and its REST API, explains what a REST API is, and shows how to sign up and get your credentials.

[TrueDialog API] A hands-on guide to authenticating and sending your first SMS and MMS messages using the API and Postman.

[TrueDialog API] This article covers the API's core concepts and reference values, including resources, campaign and channel types, and HTTP response codes.

[TrueDialog API] Step-by-step workflows for common tasks like creating campaigns and keywords, sending text and media messages, and building contact lists.

[TrueDialog API] This article explains how to set up callbacks for real-time event notifications and documents each callback type and its JSON payload.

[TrueDialog API] The complete endpoint reference for the TrueDialog REST API — browse every resource, method, parameter, and response in one place.