SCIM 2-0 detail
IETF protocol for automated SaaS user provisioning.
Definition
SCIM 2.0 endpoints: /Users, /Groups, /Bulk, /Me, /ServiceProviderConfig, /Schemas, /ResourceTypes. Operations CREATE (POST), GET (read), PUT (replace), PATCH (partial update), DELETE. SCIM Filter syntax (eq, ne, co, sw, gt, lt). Auth Bearer Token / OAuth 2.0. Adopted by 90%+ of modern enterprise SaaS.
Origin
IETF SCIM Working Group, RFC 7642/7643/7644 published September 2015, succession of SCIM 1.0 and 1.1 (2011-2013).
Usage
De facto standard for B2B SaaS user provisioning. Target apps: Salesforce, Workday, ServiceNow, Slack, Zoom, Box, Atlassian.