2026-10-28·9 min read
How to document a REST API
Build API documentation that answers implementation questions, stays connected to the contract and covers failure behavior.
Read guide// Guides
Evergreen explanations for designing clearer contracts, documenting useful behavior and integrating APIs with fewer surprises.
Build API documentation that answers implementation questions, stays connected to the contract and covers failure behavior.
Read guidePractical rules for resource paths, HTTP methods, validation, errors and change management.
Read guideUnderstand the specification, the tooling name and the practical differences between Swagger 2.0 and OpenAPI 3.x.
Read guideDefine a payment operation, inspect real HTTP responses, run authenticated mocks and review exported schemas and GitHub updates.
Read guide// GET STARTED
Start with an OpenAPI or Swagger JSON definition and keep the workflow together.