OAuth 2.0 Authentication
Secure your integrations with industry-standard OAuth 2.0 Client Credentials flow. Obtain access tokens, refresh them seamlessly, and authenticate every request with bearer tokens.
Modular & Extensible
Manage Tasks, Contacts, Documents, and Workspaces through a unified REST interface. Extend core objects with plugin-injected fields via the extended_attributes system.
PHP-First Code Samples
Every endpoint includes ready-to-use PHP code samples in both raw cURL and Guzzle HTTP. Copy, paste, and integrate directly into your PHP application in minutes.