Steam is an entertainment platform, payment system, and community for video games. Steam also provides simple API's and OpenID endpoints for user authentication. Use this tag for question relating to Steam or its OpenID endpoint.

Steam is an entertainment platform, payment system, and community for video games. It runs on Windows, Mac OSX, and Debian-based Linux.

Valve provides APIs so website developers can use data from Steam in new and interesting ways.

They allow developers to query Steam for information that they can present on their own sites.

To use most of the Web-APIs, you will need an API key, provided by Valve.

All of the officially supported end points are available using the GetSupportedAPIList end point.