Know what changed in your OpenAPI specifications.

openapi-changes is the world's sexiest OpenAPI breaking change detector.
openapi / changes in pink and blue

Try the Online Demo

If you’re looking for a tool to diff OpenAPI specifications in a human-readable way, with a unique and beautiful user experience that:

  • Provides compatibility with all versions of OpenAPI?
  • Has a built-in time machine for viewing changes over time?
  • Works locally and works in CI/CD?
  • Has no dependencies? Can run without a network connection?

Then you can stop looking, you just found it.