API Documentation from Code

Generate API documentation for this endpoint:

```
{{paste your route handler code}}
```

Format as a markdown section with:
1. **Endpoint:** METHOD /path
2. **Description:** One sentence explaining what it does
3. **Authentication:** Required / Optional / None
4. **Request:**
   - Headers (if any)
   - URL parameters
   - Query parameters
   - Request body (JSON schema with types and examples)
5. **Response:**
   - Success response (status code + JSON example with realistic data)
   - Error responses (each possible error code with example)
6. **Example:** Complete curl command that works

Use realistic data in examples (not "string" or "example"). For a user endpoint, use "jane.doe@company.com", not "user@example.com".