Cloudflare Workers KV

Status: Production Ready ✅ Last Updated: 2026-01-20 Dependencies: cloudflare-worker-base (for Worker setup) Latest Versions: wrangler@4.59.2, @cloudflare/workers-types@4.20260109.0

Recent Updates (2025):

• August 2025: Architecture redesign (40x performance gain, <5ms p99 latency, hybrid storage with R2)
• April 2025: Bulk reads API (retrieve up to 100 keys in single request, counts as 1 operation)
• January 2025: Namespace limit increased (200 → 1,000 namespaces per account for Free and Paid plans)

Quick Start (5 Minutes)

# Create namespace
npx wrangler kv namespace create MY_NAMESPACE