New in This Document

The following topics have been added or changed in the GMS 8.5.006.09 release:

• The Notification API page changed, to reflect a new authorization header.
• The Callback Services API page changed, to reflect an update to the _customer_number parameter, and to reflect an update to the Query-Availability API.
• The Start Chat API was updated with the subsciptionID parameter.

The following topics have been added or changed in the GMS 8.5.005.08 release:

• The Callback Services API page changed, to reflect updates in the Start Callback API and the Reschedule Callback API.