The Codeforces API is a platform as a service that integrates rankings of programming contests around the world. It is available in JSON architecture with HTTP requests and API Key, which can be generated at http://codeforces.com/settings/api
Thirteen APIs have been added to the ProgrammableWeb directory in several categories including Video, Demographics, Advertising, Games and DevOps, among others. Featured today is an API for integrating with the Buildkite build automation software tool. Here's a rundown of the latest additions.