# Optic API

**Canonical:** https://apis.io/apis/test-specifications/optic-api/  
**Provider:** Test Specifications — https://apis.io/providers/test-specifications/  
**Base URL:** https://api.useoptic.com  
**Documentation:** https://www.useoptic.com/

Optic API is one of 8 APIs that [Test Specifications](https://apis.io/providers/test-specifications/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include API Governance, Contract Testing, and OpenAPI. The published artifact set on APIs.io includes API documentation.

Optic is a developer tool that uses API specifications as the source of truth for testing. It tracks specification changes, generates changelog diffs, and validates live traffic against OpenAPI specs to detect contract drift between specifications and implementations.

## Machine-readable artifacts (2)

- **Documentation** — https://www.useoptic.com/docs
- **GitHubOrg** — https://github.com/opticdev/optic

## Other Test Specifications APIs (7)

- [OpenAPI Initiative](https://apis.io/apis/test-specifications/openapi-initiative/)
- [AsyncAPI Initiative](https://apis.io/apis/test-specifications/asyncapi-initiative/)
- [JSON Schema](https://apis.io/apis/test-specifications/json-schema/)
- [Gherkin / Cucumber BDD](https://apis.io/apis/test-specifications/gherkin-cucumber-bdd/)
- [Pact Contract Testing](https://apis.io/apis/test-specifications/pact-contract-testing/)
- [Swagger Editor](https://apis.io/apis/test-specifications/swagger-editor/)
- [Spectral](https://apis.io/apis/test-specifications/spectral/)

## Tags

API Governance, Contract Testing, OpenAPI

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/test-specifications/optic-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/test-specifications/.