OpenAPI Spec Builder

Generate complete OpenAPI 3.x specification files for REST API documentation, SDK generation, and API testing.

Output Requirements

File Output: openapi.yaml or openapi.json Format: OpenAPI 3.0.x or 3.1.x specification Default: YAML format (more readable)

When Invoked

Immediately generate a complete, valid OpenAPI specification. Infer reasonable schemas, responses, and security from the API description.

OpenAPI Structure