Flags SDK

API Reference

@vercel/flags

APIs for integrating flags with Vercel.

Learn more about these methods.

@vercel/flags/next

APIs for working with feature flags in Next.js.

flag

Declares a new feature flag.

precompute

Precomputes the value of a group of feature flags.

combine

Calculates the combinations of flags.

dedupe

Deduplicates work.

deserialize

Deserializes a feature flag.

evaluate

Evaluates a feature flag.

generatePermutations

Generates permutations of all options of a group of flags.

getPrecomputed

Gets precomputed values of a group of flags.

getProviderData

Turns flag definitions into provider data Vercel understands.

serialize

Serializes a feature flag.

setTracerProvider

Set an OpenTelemetry tracer provider.