403 PERMISSION_DENIED: Your project has been denied access

Gemini API
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Hello,

I’m getting a persistent 403 PERMISSION_DENIED error on all Gemini API calls,
even after creating a completely new Google Cloud project and a brand-new API key.

Error message:
“error”: {
“code”: 403,
“message”: “Your project has been denied access. Please contact support.”,
“status”: “PERMISSION_DENIED”
}

Details:

  • This happens on a freshly created project with no prior usage history.
  • Generative Language API is enabled on the project.
  • I tested with a raw curl request directly (not through any SDK), same error.
  • Personal Google account, no policy violations that I’m aware of.
  • This also happens when calling from GitHub Actions (cloud/datacenter IP),
    and also from my local machine directly, so it doesn’t seem to be IP-related.

Could you please review my project and restore access? Happy to provide the
project ID if needed.

Thank you.