Back to all tools

Understand your API

Paste an OpenAPI spec and get a plain-English explanation of what the API does, then keep asking questions about it.
OpenAPI spec
Explain as
Explanation
Nothing explained yet

Paste an OpenAPI spec on the left, pick how you want it explained, and ask. You can keep asking questions about it afterwards.

Your spec is sent to an AI model to generate the explanation. The conversation is not saved and clears when you refresh.

Compare what you unlock

  • Explain what an API doesPlain-English summary of a pasted spec
  • Follow-up questionsAsk about the same spec in one session
  • Spec formatsSwagger 2.0 and OpenAPI 3.x
  • Design and evolve the specNot included
  • Generate a collectionNot included
  • Try the endpointsNot included
  • Spec storageNot included
Free plan available — no card required

FAQ

Which specification versions can it read?
Swagger 2.0 and OpenAPI 3.x, in either YAML or JSON
Can I ask follow-up questions?
Yes — the specification stays in context, so you can keep asking about the same document
Does it need a complete specification?
No. A partial or sparse document still gets an explanation, including what is missing from it

Related tools

API Designer

Describe an API and get a working OpenAPI 3.1 spec back.

OpenAPI Editor and Visualizer

Design, lint, visualize, and preview OpenAPI specs.

OpenAPI validator

Validate a spec, score its design, and autofix what it can.