How to Support Okta SSO in Your B2B SaaS App: The Vendor's Complete Guide

Supporting Okta Single Sign-On (SSO) in a B2B SaaS application involves configuring your app as a SAML or OpenID Connect (OIDC) service provider, allowing enterprise customers' employees to log in using their existing Okta accounts without storing passwords in your system. This process requires understanding the integration of SAML 2.0 and OIDC protocols and the use of brokers like SSOJet to simplify the setup across multiple customer Okta organizations. By acting as the Service Provider (SP), your app receives authentication assertions from each customer's Identity Provider (IdP), which is their Okta organization. The guide emphasizes the importance of supporting OpenID Connect for new applications due to its JSON/JWT-based structure and suggests using SAML 2.0 when required by the customer's IT policies. Integration challenges such as configuration mismatches, redirect URI discrepancies, and unassigned user errors are common, with solutions provided to address them. Additionally, SCIM 2.0 provisioning is recommended to automate user lifecycle management, ensuring that user access is promptly revoked when needed. Ultimately, supporting Okta SSO not only enhances security by centralizing access control but also accelerates sales by meeting enterprise requirements for seamless authentication and reducing the risk of data breaches.

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