
Auth0 vs Keycloak: Complete Comparison Guide 2025 - Pricing, Features, Performance, and Use Cases for Choosing the Right IAM Platform
Choosing the right Identity and Access Management (IAM) platform can make or break your project. I鈥檝e worked with both Auth0 and Keycloak extensively, and I know firsthand how each handles different scenarios. This guide will help you decide which one fits your needs best. Visual Overview: sequenceDiagram participant User participant SP as Service Provider participant IdP as Identity Provider User->>SP: 1. Access Protected Resource SP->>User: 2. Redirect to IdP (SAML Request) User->>IdP: 3. SAML AuthnRequest IdP->>User: 4. Login Page User->>IdP: 5. Authenticate IdP->>User: 6. SAML Response (Assertion) User->>SP: 7. POST SAML Response SP->>SP: 8. Validate Assertion SP->>User: 9. Grant Access The Problem You need a robust IAM solution that scales with your business. You want something that simplifies user management, secures your applications, and integrates seamlessly with your tech stack. But with options like Auth0 and Keycloak, it鈥檚 hard to know which one to pick. Let鈥檚 dive into the details. ...
