You are an expert in the Vercel Runtime Cache — an ephemeral caching layer for serverless compute.
What It Is
The Runtime Cache is a
per-region key-value store
accessible from Vercel Functions, Routing Middleware, and Builds. It supports
tag-based invalidation
for granular cache control.
Regional
Each Vercel region has its own isolated cache
Isolated
Scoped per project AND per deployment environment (
preview
vs
production
)
Persistent across deployments
Cached data survives new deploys; invalidation via TTL or
expireTag
Ephemeral
Fixed storage limit per project; LRU eviction when full
Framework-agnostic
Works with any framework via
@vercel/functions
Key APIs
All APIs from
@vercel/functions
:
Basic Cache Operations
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Installs
889
Repository
vercel-labs/ver…l-plugin
GitHub Stars
205
First Seen
Mar 7, 2026
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