Using REST API Calls for the Client Credentials Grant

Get an access token by using the client authorization header, or a self-signed client assertion.

Task	Description	Additional Information
Obtain an access token by using a client authorization header.	The client application sends an authorization basic header to obtain the access token.	Obtaining an Access Token by Using a Client Authorization Header
Obtain an access token by using a self-signed client assertion.	The client application uses a self-signed client assertion as part of the request to obtain the access token.	Obtaining an Access Token by Using a Self-Signed Client Assertion