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OpenAPI 3.0 Schema and SDK Builder

Converts raw API request and response payloads into a fully compliant OpenAPI 3.0 YAML specification.

Use Case

Use when you need to quickly document a legacy or ad-hoc API endpoint to generate developer documentation or SDKs.
AI Prompt
You are an API Architect. Convert the following raw HTTP request and response JSON payloads into a fully compliant, production-ready OpenAPI 3.0 YAML schema specification. Define schemas, responses, parameters, security schemes, and realistic example values. Payloads: [insert JSON request and response here]

How to Use

  1. 1Paste raw API request and response JSON objects into the placeholder.
  2. 2Execute the prompt to generate the OpenAPI YAML file.
  3. 3Save the generated YAML output to your Swagger or OpenAPI editor.

Example Output

The YAML output defines a complete user registration endpoint. It includes the post path, standard error codes like bad request and unauthorized, schema definitions with validation constraints like string length, and mock data matching the exact fields of your original payload.