THE REVIEW DESK / OPENAPI 3.x

What's changed?

Two contracts. One deliberate review.

How this works

Local, by default. Inputs never leave this browser tab. No API calls, storage or analytics. Deterministic checks only; no AI integration.

01 Set the comparison

Paste two OpenAPI JSON documents or choose local files. Sample data is fictional.

No file selectedJSON ONLY
No file selectedJSON ONLY

Up to 2 MiB per input. OpenAPI 3.0.x / 3.1.x JSON only.
YAML and Swagger 2 are not supported. Coverage limits

02 Read the review

Ready when you are. Load the sample or add two contracts.

Breaking—Likely client impact
Review—Needs a closer look
Additive—New contract surface
Total findings—No comparison yet

No review loaded

The contract comes first.

Start a comparison to see changes, their evidence, and suggested tests here.

A targeted structural review, not proof of compatibility. “No findings” does not mean “no risk.” Exports include the full unfiltered report. Know the boundaries.