For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Marketing Webhooks — Added a new Coupons webhooks section documenting the unique_coupon_sent event. This event is triggered when a unique coupon code is sent to a contact from a coupon collection, enabling integrators to track coupon delivery, reconcile inventory, and sync coupon status into external systems.
