In the service that receives the outgoing webhook request, what should you validate to ensure that calls are coming from Microsoft Teams?

You are developing an outgoing webhook in Microsoft Teams.

In the service that receives the outgoing webhook request, what should you validate to ensure that calls are coming from Microsoft Teams?
A . the HTTP hmac header
B . the Microsoft Teams client cookies
C . the Microsoft Graph API
D . the bearer token

View Answer

Answer: B