# JanePHP / documentation ## Documentation ### Choose the component you need #### JSON Schema #### OpenAPI 2 / 3 ### Usage #### JSON Schema #### OpenAPI 2 / 3 ## Guides ### Elasticsearch models ### ApiPlatform DTO ### External API client ### Between two Symfony apps (client / server) ## Contributing ### Backwards compatibility ### How it works ### Tests ## Components ### JsonSchema #### Introduction #### Specification #### Command #### Guessers #### Generators ### OpenAPI 2 #### Introduction #### Specification #### Command #### Guessers #### Generators ### OpenAPI 3 #### Introduction #### Specification #### Command #### Guessers #### Generators