API Commons

API Commons is a collection of open-source building blocks for API operations. It began as a machine-readable way to define the parts of an API, and works in concert with APIs.json to translate human-readable aspects of your API program into machine-readable artifacts that can standardize and automate your ecosystem.

Common schema that can be used to describe API operations.

API Commons is a collection of open-source building blocks for API operations. It began as a machine-readable way to define the parts of an API, and works in concert with APIs.json to translate human-readable aspects of your API program into machine-readable artifacts that can standardize and automate your ecosystem.

License: Creative Commons Attribution 3.0 Unported

Tags: Schema, Change, Onboarding, Licensing, Pricing, Support, SDKs

Properties: Change Log, Road Map, Getting Started, Interface Licenses, Pricing, Rate Limits, Tiers, SDKs, Support, Use Cases, and Versioning

Website: https://apicommons.org/

Standards: JSON Schema


Last modified January 3, 2026: add latest (073ea49)