What this template gives you
A ready-made outline for API documentation including overview, authentication, rate limiting, error handling, pagination and versioning. Copy it into Notion, Confluence, a README or any docs site.
Developer
API Documentation Template
Free
Beginner friendly
Markdown / Notion
Document your API quickly with clear sections for auth, endpoints, errors and examples. Ideal for internal tools, client work, or public APIs.
How to use this template
Copy the structure into your own doc (Google Docs, Notion, Word, anything), then customise the sections and examples to match your project.
Best for
Solo founders, agencies and internal teams who need to ship API docs without arguing about structure for three days.
Suggested sections
- Introduction & use-cases
- Base URL & environments
- Authentication & headers
- Rate limiting & pagination
- Error formats & examples
- Core endpoints grouped by feature
- Webhooks & callbacks (if relevant)
- Changelog & versioning
Tags
#api
#developer
#documentation
#rest
#json