The API Commons — the hub and website (apicommons.org) for open, machine-readable API building blocks, standards, and browser-first tools.

Machine-readable API vocabulary building blocks for the API Commons — shared words and definitions for API operations.

Machine-readable API policy building blocks for the API Commons — the business rules behind API governance.

The change log schema for the API Commons — a machine-readable way to publish an API's changelog.

Shared examples for the API Commons building blocks and the APIs.json ecosystem.

The plans schema for the API Commons — machine-readable API access plans, tiers, and pricing.

Machine-readable API use-case building blocks for the API Commons.

Machine-readable API lifecycle building blocks for the API Commons — the stages every API moves through.

Machine-readable API experience building blocks for the API Commons — the developer experiences an API program offers.

Machine-readable team building blocks for the API Commons — the people layer of API operations.

Machine-readable API guidance building blocks for the API Commons — the how-to layer that turns governance rules into help.

The road map schema for the API Commons — a machine-readable way to publish an API's roadmap.

The API Commons Interface License — apply an open license to your API's interface (its surface, not its implementation).

APIs.json is an open, machine-readable specification that API providers can use to describe their API operations, similar to how websites use sitemap.xml.