API Platform Core
API Platform Core is an easy to use and powerful system to create hypermedia-driven REST and GraphQL APIs. It is a component of the API Platform framework and it can be integrated with the Symfony framework using the bundle distributed with the library.
It natively supports popular open formats including JSON for Linked Data (JSON-LD), Hydra Core Vocabulary, OpenAPI v2 (formerly Swagger) and v3, HAL and Problem Details.
Build a working and fully-featured CRUD API in minutes. Leverage the awesome features of the tool to develop complex and high performance API-first projects. Extend or override everything you want.
Documentation
The documentation of API Platform Core Library can be browsed on the official website.