SCIM
termsecuritynetworking
System for Cross-domain Identity Management: the open standard for provisioning - creating, updating, grouping, and deactivating user accounts across systems over a JSON REST API, with schemas from RFC 7643 and the protocol from RFC 7644.
SAML and OIDC sign an account in; SCIM is how the account got there and how it is switched off the day the person leaves.
Also known as: System for Cross-domain Identity Management, SCIM 2.0