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Codeium / Windsurf Sign-In and Login Error

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Ongoing All editors and plugins Updated November 14, 2026Based on 2 user reportsHow we research

Quick answer

If sign-in fails, your network is probably blocking Google authentication or Codeium domains; if you are stuck on Free after paying, log out, restart and log in again.

Most likely fix: Fix plan not updating after subscribing

How to fix it

Try these in order — the most common fix is first.

  1. 1. Fix plan not updating after subscribing

    1. Wait a few minutes
    2. Log out on the website
    3. Restart the IDE
    4. Log in again and update to the latest version
    Did this fix it?

  2. 2. Allow auth domains

    1. Allowlist *.codeium.com, *.codeiumdata.com, *.windsurf.com, *.googleapis.com, apis.google.com and static.devin.ai
    2. Try sign-in again
    Did this fix it?

Symptoms

Browser login loops, the IDE never receives the token, or your plan still shows Free after subscribing.

Why it happens

  • Network blocking Google auth domains
  • Plan not yet synced after subscribing
  • Outdated app or plugin

This guide also covers

  • windsurf login not working
  • codeium auth token
  • windsurf stuck on free plan

Still not working?

If Codeium (Windsurf) keeps failing, you're not alone. See every Codeium (Windsurf) problem users report or the alternatives people switch to.

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