SAML vs OIDC vs OAuth 2.0: 12 Differences Every B2B Engineering Team Should Know
This title could be clearer and more informative.Try out Clickbait Shieldfor free (5 uses left this month).
A technical breakdown of SAML 2.0, OIDC, and OAuth 2.0 across 12 dimensions relevant to B2B engineering teams. Covers protocol origins, token formats (XML assertions vs JWTs), transport assumptions (browser vs REST), discovery and metadata management, enterprise vs consumer fit, session management and logout, user provisioning with SCIM, developer ecosystem quality, security pitfalls, migration complexity, API authorization use cases, and mobile app compatibility. Includes a decision matrix and migration playbook. Concludes that B2B SaaS products selling to enterprise will need all three protocols plus SCIM, and frames the real decision as build vs buy.
Table of contents
The 30-Second Mental ModelProtocol Snapshot TableDifference #1: Protocol Origins and Design GoalsDifference #2: Token Format — XML Assertions vs JWTsDifference #3: Transport Assumptions — Browser vs RESTDifference #4: Discovery and Metadata ManagementDifference #5: Enterprise vs Consumer FitDifference #6: Session Management and LogoutDifference #7: Provisioning and Identity LifecycleDifference #8: Tooling and Developer EcosystemDifference #9: Security Pitfalls and Best PracticesDifference #10: Migration ComplexityDifference #11: API-Only / Delegated Authorization FitDifference #12: Mobile and Native App FriendlinessDecision Matrix: Picking the Right Protocol in Under 60 SecondsWhere SSOJet Fits InFrequently Asked QuestionsConclusionSort: