API Reference Documentation Generator
Generate polished API docs from specs in minutes, not days
What You Can Do
Transform raw API specifications into professional, developer-friendly reference documentation. You provide your OpenAPI spec, raw endpoints, or API definition, and Claude generates complete endpoint documentation with consistent formatting, working code examples across multiple languages, comprehensive error catalogs, and integration guides. The result is publication-ready docs that developers can immediately understand and use.
Features
Claude generates complete descriptions, parameters, response schemas, and status codes for each endpoint with zero manual formatting.
Creates working examples in JavaScript, Python, cURL, Ruby, and Go so developers see exactly how to use each endpoint.
All endpoints follow the same template and visual hierarchy, making navigation intuitive and your documentation predictable.
Catalogs every error code with explanations, root causes, and solutions so developers troubleshoot independently.
Accepts OpenAPI 3.0 specs, Swagger 2.0 definitions, or raw endpoint lists and generates complete documentation automatically.
Generates ready-to-copy cURL commands, request payloads, and response examples for every endpoint you document.
Documents auth flows (OAuth, API keys, JWT, mutual TLS) with security best practices and implementation examples.
Example Output
GET /users/:id
Retrieve a single user by ID.
Parameters:
id(string, required) — The unique user identifierinclude_metadata(boolean, optional) — Include user metadata in response
Example Request:
curl -X GET https://api.example.com/users/usr_123 \
-H "Authorization: Bearer sk_live_abc123"
Example Response (200 OK):
{
"id": "usr_123",
"email": "user@example.com",
"created_at": "2024-01-15T10:30:00Z",
"status": "active"
}
Error Responses:
401 Unauthorized— Missing or invalid API key404 Not Found— User ID does not exist429 Too Many Requests— Rate limit exceeded; retry after 60 seconds
What's Included
- Complete API Reference: Full documentation for all endpoints, methods, parameters, and response schemas with HTTP status codes.
- Code Examples Library: Working examples in JavaScript, Python, cURL, Ruby, and Go for every endpoint you document.
- Error Catalog: Comprehensive reference of all error codes, messages, root causes, and recommended troubleshooting steps.
- Authentication Guide: Complete setup instructions for OAuth, API keys, JWT, and other auth mechanisms with code samples.
- Getting Started Tutorial: Step-by-step guide for new developers to authenticate, make their first request, and handle responses.
Who It's For
- Backend Engineers
- API Developers
- Technical Writers
- Developer Advocates
- Full-Stack Developers
Best For
- REST API Documentation
- GraphQL API References
- Microservice Catalogs
- SDK Reference Guides
- Internal Service Documentation
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