Open Collections

A modern, developer-first specification pioneered by Bruno for defining and sharing API collections. Designed for simplicity and collaboration.

Open-source collection format.

The OpenCollection Specification is a format for describing API collections, including requests, authentication, variables, and scripts. This specification enables tools to understand and work with API collections in a standardized way.

License: Apache License

Tags: Collections

Website: https://www.opencollection.com/


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