Apigility is the open source API builder for PHP, designed to simplify creating and maintaining useful, easy to consume, and well structured APIs. Regardless of your experience in API building, with Apigility you can build APIs that enable mobile apps, developer communities, and any other consumer controlled access to your applications.

Key features: RESTful or RPC services; JSON (specifically, HAL); Problem Details for HTTP APIs; Versioning; Normalisation and Validation; Authentication (HTTP Basic/Digest, OAuth2); Documentation (HTML, Swagger).

Apigility is made using Zend Framework 2, AngularJS and Bootstrap.

If you want to contribute you can fork the project on github.

The official web site of the project is apigility.org.