AI BriefingVercel Flags, No SDK Key Setup Required for Vercel Deployments
Key point
When using Vercel Flags in a Vercel deployment environment, automatic authentication is now possible without configuring an SDK Key.
Details
New Vercel Flags projects no longer need to configure SDK Keys or the FLAGS environment variable when evaluating flags in a Vercel deployment environment. At runtime, the Vercel adapter automatically receives a short-lived OIDC token and handles authentication without any additional setup.
In local development environments, you can link your project with vercel link and then pull credentials using the vercel env pull command.
However, existing projects and existing SDK Keys are not affected, and SDK Keys are still required in the following cases:
- Cross-project flag access
- Using Non-Vercel runtimes
- Custom authentication setups
- Key rotation workflows
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