Supported Algorithms for OIDC API Authentication in ServiceNowDetailsYou can create an OAuth OIDC provider to accept identity tokens generated by a third-party OIDC provider for inbound API calls. ServiceNow is using nimbus (nimbus-jose-jwt 6.7) and BC library for OIDC.These are list of algorithm's supported : https://connect2id.com/products/nimbus-jose-jwt/jca-algorithm-supportJWS algHS256, HS384, HS512RS256, RS384, RS512PS256, PS384, PS512ES256, ES384, ES512, ES256K