# API

- [API Testing](/hacktrain/web/api/api-testing.md)
- [GraphQL API](/hacktrain/web/api/graphql-api.md)
- [RESTful APIs](/hacktrain/web/api/restful-apis.md)
- [RCP APIs](/hacktrain/web/api/rcp-apis.md)
- [SOAP APIs](/hacktrain/web/api/soap-apis.md)
- [Web Socket APIs](/hacktrain/web/api/web-socket-apis.md)
- [API keys](/hacktrain/web/api/api-keys.md)
- [Google API keys](/hacktrain/web/api/api-keys/google-api-keys.md)
- [Documentation](/hacktrain/web/api/documentation.md)
- [Swagger UI](/hacktrain/web/api/documentation/swagger-ui.md)
