Vercel Flags no longer requires SDK Keys for Vercel deployments
New Vercel Flags projects now automatically handle authentication using short-lived OIDC tokens at runtime, eliminating the need to configure SDK Keys or environment variables for Vercel deployments. Existing projects and SDK Keys remain fully supported for backward compatibility.
New projects using Vercel Flags no longer need to configure SDK Keys or the environment variable when evaluating flags inside a Vercel deployment. At runtime, the Vercel adapter automatically receives a short-lived OIDC token, so authentication is handled for you with zero configuration.FLAGS
For local development, link your project with and pull credentials with . That's it.vercel linkvercel env pull
Existing projects and all SDK Keys are unaffected. This change only applies to new projects, and SDK Keys remain fully supported and are still required for:
Read the to get started.Vercel Flags documentation
Cross-project flag access
Non-Vercel runtimes
Custom authentication setups
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