Client library for connecting to SignalWire.

v3.2.0 2023-07-07 16:49 UTC


Packagist Version

The Relay SDK for PHP enables PHP developers to connect and use SignalWire's Relay APIs within their own PHP code. Our Relay SDK allows developers to build or add robust and innovative communication services to their applications.

⚠️ Disclaimer:

The libraries in this repository are NOT supported by SignalWire.

Getting Started

Read the implementation documentation, guides and API Reference at the Relay SDK for PHP Documentation site.


If you'd like to contribute, feel free to visit our Slack channel and read our developer section to get the code running in your local environment.


To setup the dev environment follow these steps:

  1. Fork this repository and clone it.
  2. Create a new branch from master for your change.
  3. Make changes!


Relay SDK for PHP follows Semantic Versioning 2.0 as defined at


Relay SDK for PHP is free software, and may be redistributed under the terms specified in the MIT-LICENSE file.