aid: optic
name: Optic
description: >-
  Optic is an open source tool for OpenAPI linting, diffing, and testing that
  helps prevent breaking changes, publish accurate documentation, and improve
  API design through behavior-aware specification comparison and forwards-only
  governance.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - API Governance
  - Breaking Changes
  - Contract Testing
  - Diff
  - Linting
  - OpenAPI
  - Testing
url: >-
  https://raw.githubusercontent.com/api-evangelist/optic/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-03-26'
specificationVersion: '0.19'
apis:
  - aid: optic:optic-cli
    name: Optic CLI
    description: >-
      The Optic CLI provides OpenAPI diffing, linting, and breaking change
      detection from the command line, comparing two versions of an OpenAPI
      specification using behavior-aware diffing and applying style guide rules
      with forwards-only governance.
    humanURL: https://www.useoptic.com/docs
    tags:
      - Breaking Changes
      - CLI
      - Diff
      - Linting
      - OpenAPI
    properties:
      - type: Documentation
        url: https://www.useoptic.com/docs
      - type: Getting Started
        url: https://www.useoptic.com/docs
      - type: OpenAPI Diff
        url: https://www.useoptic.com/docs/diff-openapi
      - type: Breaking Changes
        url: https://www.useoptic.com/docs/detect-breaking-changes
      - type: Linting
        url: https://www.useoptic.com/docs/lint-openapi
      - type: Changelog
        url: https://www.useoptic.com/docs/openapi-changelog
      - type: API Verification
        url: https://www.useoptic.com/docs/verify-openapi
common:
  - type: Website
    url: https://www.useoptic.com
  - type: Documentation
    url: https://www.useoptic.com/docs
  - type: Core Concepts
    url: https://www.useoptic.com/docs/core-concepts
  - type: GitHub Repository
    url: https://github.com/opticdev/optic
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com