Welcome to the FreeAgent API

The FreeAgent API provides secure programmatic access to the FreeAgent service, allowing you to build cool and useful tools and services on top.

• Quick start with the FreeAgent API

The FreeAgent API uses OAuth 2.0, supports XML and JSON responses and organises resources according to REST.

• Learn more about OAuth 2.0
• Browse the FreeAgent API Documentation
• Talk to other developers about the FreeAgent API at the FreeAgent API Discussion Group
• Learn about the API for Accountancy Practices