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The Keycloak Token Config Mistakes 90% of All D...

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The Keycloak Token Config Mistakes 90% of All Developers Get Wrong (and how to avoid)

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Niko Köbler

March 10, 2026
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  1. THE KEYCLOAK MISTAKES THAT 90% OF ALL DEVELOPERS GET WRONG

    (…THE THIRD ONE WILL SURPRISE YOU..! 😅)
  2. ABOUT ME ▸ Independent Consultant/Architect/Developer/Trainer ▸ Doing stuff with &

    without Computers, Software, > 25 yrs ▸ "Mr. KEYCLOAK" since 2015 (v1.x) ▸ Organizer of KEYCLOAK DevDay Conf (keycloak-day.dev) ▸ Member of various IAM Expert groups & communities ▸ Co-Lead of JUG DA (www.jug-da.de / @JUG_DA) ▸ Web: www.n-k.de / Social: @dasniko YouTube: youtube.com/@dasniko
  3. API 1 WebApp API 2 THE KEYCLOAK MISTAKE THAT 90%

    OF ALL DEVELOPERS GET WRONG SCENARIO: TOKEN PROPAGATION
  4. API 1 WebApp (Frontend / SPA) API 2 THE KEYCLOAK

    MISTAKE THAT 90% OF ALL DEVELOPERS GET WRONG SCENARIO: MINIMUM SCOPED TOKEN
  5. API 1 WebApp (Frontend / SPA) API 2 THE KEYCLOAK

    MISTAKE THAT 90% OF ALL DEVELOPERS GET WRONG SCENARIO: MINIMUM SCOPED TOKEN Backend (for Frontend)
  6. THE KEYCLOAK MISTAKE THAT 90% OF ALL DEVELOPERS GET WRONG

    NIKO KÖBLER | www.n-k.de | [email protected] | @dasniko THANK YOU. ANY QUESTIONS? More info / slides: https://linktr.ee/dasniko
  7. MY PUBLIC RESOURCES AND STUFF ➡ Overview / Links: linktr.ee/dasniko

    ➡ Website / Info: www.n-k.de ➡ YouTube / Videos: youtube.com/@dasniko ➡ GitHub / Examples: github.com/dasniko ➡ Speakerdeck /Slides: speakerdeck.com/dasniko