Question2Replies65Views DevarajuluP1599 Member since 2019 1 post Swedbank AB Posted: September 29, 2020Last activity: October 9, 2020 Solved Oauth authentication for REST servicesHi All,I am implementing REST services with Oauth authentication as described in below link. https://community.pega.com/knowledgebase/articles/data-integration/accessing-pega-api-using-oauth-20 Created OAuth 2.0 Client Registration and Configured with client credentials(Operator ID). Now when I call the auth token service as mentioned in article below exception. ***Edited by Moderator: Pallavi to update platform capability tags*** Pega Platform Case Management Data Integration Security Financial Services Senior System Architect ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Posted: 2 months agoKevinZheng_GCS PEGA replied to DevarajuluP1599Can you provide more details by attaching pega logs? Accepted Solution Posted: 1 month agoDevarajuluP1599 Swedbank AB replied to KevinZheng_GCSThanks for reply. Issue solved now. I was not saving the OAuth 2.0 Client Registration instance after generating the token.