200ms sync, 99.99% uptime.
Cross-channel stock syncs in 200ms, pages load in 1.2s, capacity expands within minutes on campaign days. Edge runtime + global CDN + smart cache.
Don't slow as you grow.
Global CDN
Images + pages + assets fast from anywhere; HTTP/3.
Edge runtime
Cloudflare Workers + Vercel Edge; global P50 < 40ms.
Auto-scaling
10x capacity within minutes on campaign days.
Smart cache
Product, category, search pages cached; instant invalidation on update.
How Karum stays up during peak load.
Monitoring
All services watched 24/7; alerts when nearing SLO thresholds.
Auto-scale
Traffic spike detected; pod count grows in minutes.
DDoS protection
Abnormal traffic blocked at Cloudflare WAF; store stays open.
Failover
If a region goes down, the other takes over; <1m RTO.
Transparent status
status.karumtek.com live; all regions + services.
In infrastructure, the details we care about.
Stock reaches 12 marketplaces in 200ms; race-condition guarded.
Images + assets from 200+ edge nodes; HTTP/3 + Brotli.
Global P50 < 40ms; theme render + storefront-sdk at the edge.
Cloudflare WAF + rate limit + bot management.
Two primary regions + cold standby; <1m RTO.
Stale-while-revalidate; updated products invalidated instantly.
status.karumtek.com — 90-day uptime by region + service.
Infrastructure, powers which modules.
On Black Friday we had 100,000 concurrent users. Karum didn't blink once; we used to lose sleep over straining servers.
Available on
Your first sale this week. Setup in 5 minutes.
Our onboarding team runs the process. Data migration, product mapping, and channel connection included — first sale on average in 3–7 days.