API Documentation Generator

Generate API documentation for the following endpoint(s).

Endpoint: [URL and method]
Authentication: [type]
Request body: [schema or example]
Response: [schema or example]

Include:
1. Brief description
2. Request parameters (path, query, body)
3. Response format with status codes
4. A request/response example
5. Error codes and handling notes

Format as Markdown suitable for OpenAPI/Swagger integration.