First off, big thanks for building with tyntec’s APIs!

This is where you can access our API reference docs and support for tyntec’s services. This reference will help you build your applications with tyntec’s API endpoints and get the resources you need to use our services.

We provide examples in Shell, HTTP, JavaScript, Node.JS, Ruby, Python, Java, and Go! You can view the code examples in the dark area to the right, and you can switch the programming language of the examples with the tabs on the top right.

Explore our public APIs


Learn how to send and receive text messages via our SMS API.

API Reference

Learn how to use different messaging channels for sending and receiving messages via our Conversations API.

API Reference

Learn how to use two-factor authentication and how to send one-time password programmatically.

API Reference

Learn how to Verify phone numbers before saving a number in a CRM or before sending messages or calling them.

API Reference


We work continuously on our APIs and products behind them to cover new use cases, add new functionalities and improvements suggested by you. During this process, we strive to make these changes as least impactful towards your system as possible.

Speaking about the REST APIs, we aim for changes that will not break your implementation. This covers:

  • only adding new properties,
  • sticking with the data types defined,
  • not renaming existing ones.

In order to make the communication between your system and ours as frictionless as possible, we recommend to:

  • follow strictly the data definitions when you send requests to our APIs,
  • accept unknown properties when you receive data from our APIs.

This recommendation follows the Robustness Principle.

Adhered web standards

One goal of all our APIs is to follow best practices and standards of HTTP-based services.

This is achieved through compliance with the following RFCs:

Base URLs