Vercel Flags
Feature flags, targeting rules, rollouts. All from Vercel.
Vercel Flags is a feature‑flag service that lives inside the Vercel platform, allowing developers to create, manage, and target flags directly from the Vercel Dashboard. It supports targeting rules, user segments, and environment controls, giving teams fine‑grained rollout capabilities without leaving the hosting environment.
The provided SDK integrates natively with Next.js and SvelteKit, offering a simple API to define flags and evaluate them at runtime with just a few lines of code. For other frameworks or custom backends, the service includes an adapter that implements the OpenFeature standard, enabling provider‑agnostic usage across diverse stacks.
Because the flag system is built into Vercel’s infrastructure, it can be used alongside existing Vercel projects and deployment pipelines, streamlining feature toggling, gradual rollouts, and A/B testing for web applications.
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