Index Ai Academy
Glossary · Phase 8 · APIs

OpenAPI

Also written: Swagger

A standard, machine-readable description of an API's endpoints, used to make docs, client libraries and tests.

Try it now

One accurate document does the job of five that would drift apart.

Learn it properly

Documenting APIs with OpenAPI · A machine-readable contract for docs, SDKs and AI tools. About 35 minutes.

Create a free account See what's in the lesson

Never trained an AI?

Teach a small one to write, right in your browser. It takes about 20 seconds and needs no account.

Teach it to write