Description
This is a preview of the modernized Subscriptions - Tracking API, where the notification event payload follows the modernized Tracking API response. The modernized API introduces the Scan Event Extract tracking event type for MID-based subscriptions, which includes additional attributes in the notification event payload . Create a subscription to receive tracking events by mailer ID or tracking number. Manage all tracking subscriptions, in one place, by providing your server URL to receive Postal Service tracking events.