

Pagination is performed via the Link and X-Total-Count headersĪll URLs start with.We require OAuth 2.0 for authentication-no more Basic authentication.Here are some notable changes for the Basecamp 4 API: If you've used a previous version of the Basecamp API, you need to adapt your integration code.

The core ingredients are the same, though: Basecamp 4 is a REST-style API that uses JSON for serialization and OAuth 2.0 for authentication. All integrations will start fresh with the new API.

The Basecamp 4 API is not compatible with the Basecamp Classic API or the Basecamp 2 API. We're happy to have you! Compatibility with previous Basecamp APIs Welcome to the Basecamp 4 API! If you're looking to integrate your application with Basecamp 4 or create your own application in concert with data inside of Basecamp 4, you're in the right place.
