# Postman GraphQL API The APIs endpoints (Spec Hub) manage API definitions, versions, specifications, and linked elements. Supports OpenAPI 3, AsyncAPI, GraphQL, gRPC/Protobuf, RAML, WSDL, and SOAP definitions and enables design-first API workflows. **Endpoint:** https://api.getpostman.com **Documentation:** https://learning.postman.com/docs/developer/postman-api/intro-api/ **References:** - Documentation: https://www.postman.com/postman/postman-public-workspace/documentation/i2uqzpp/postman-api