post
https://sandbox-apigw.optum.com/apip/auth/sntl/v1/token
grant_type: select client_credentialsclient_id: your client_idclient_secret: your client_secret
Reference
grant_type: select client_credentialsclient_id: your client_idclient_secret: your client_secretReference
Try It! to start a request and see the response here! Or choose an example: