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Multi-Tenant Authentication with OAuth 2.0, OIDC, and SCIM: A Practical Guide

In SaaS applications, authentication and authorization are critical. As your platform grows to serve multiple customers, each tenant wants to use their own identity provider (IDP), users need automatic provisioning from corporate directories, and access control must work across tenants. ...

January 11, 2026 · Updated: July 4, 2026 · 10 min · Yinebeb Tariku