API Documentation Formats: OpenAPI, AsyncAPI, GraphQL SDL, and RAML
Compare API documentation formats: OpenAPI for REST, AsyncAPI for event-driven, GraphQL SDL for schema, and RAML for resource modeling.
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API Documentation Formats: OpenAPI, AsyncAPI, GraphQL SDL, and RAML Choosing the right specification format for your API is a decision that affects tooling support, team workflow, onboarding time, and how well your documentation stays in sync with your implementation. The four formats with significant adoption today — OpenAPI, AsyncAPI, GraphQL SDL, and RAML — each evolved to solve a different problem and bring different strengths to that problem. This guide compares them on their technical capabilities, tooling ecosystems, and the use cases each is genuinely suited for. |---| | Swagger UI / Redoc / Scalar | Interactive documentation | | openapi-generator | Client SDKs in 50+ languages | | oapi-codegen | Go server stubs | | Spectral | Linting and style enforcement | | Prism | Mock server…
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