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