oasdiff ☆
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Description:
OpenAPI Diff and Breaking Changes
Type: Formula  |  Latest Version: 1.11.7@0  |  Tracked Since: Dec 26, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: openapi api diff developer-tools specification
Install: brew install oasdiff
About:
Oasdiff is a command-line tool that compares two OpenAPI specifications to identify differences and highlight breaking changes. It helps API maintainers ensure backward compatibility and manage versioning effectively. The tool supports JSON, YAML, and YAML formats for both input and output.
Key Features:
  • Detects breaking and non-breaking changes
  • Supports JSON, YAML, and YAML output formats
  • Can compare API endpoints, schemas, and security requirements
  • Offers customizable rules for change detection
Use Cases:
  • Validating API changes before deployment to prevent breaking clients
  • Automating API contract checks in CI/CD pipelines
  • Documenting API version diffs for release notes
Alternatives:
  • openapi-diff – Java-based alternative with similar functionality but requires JVM
  • swagger-diff – Ruby gem for comparing Swagger/OpenAPI specs, less actively maintained
Version History
Detected Version Rev Change Commit
Dec 26, 2025 7:51pm 1.11.7 0 VERSION_BUMP 4e484939
Sep 16, 2025 8:23am 0 VERSION_BUMP 8d022a9f
Oct 5, 2024 3:51pm 0 VERSION_BUMP d2e64555
Sep 21, 2024 9:42am 0 VERSION_BUMP 42a38e02
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