Get Single Message Delivery Report

The delivery report includes the final status of the Message (including “seen” statuses for Viber and WhatsApp channels).
To get Message status report, use the following authorization options and URL:

Provider RoleServer
Client RoleClient
Get Detailed DR URLs{client_id}/api/dr/{message_id}/advanced{client_id}/api/dr/external/{extra_id}/advanced
Get Simple DR URLs{client_id}/api/dr/{message_id}/simple{client_id}/api/dr/external/{extra_id}/simple
HTTP AuthenticationBasic
HTTP Login/PasswordTBA by GMS in technical plan