CF Spend Monitor — Cloudflare Workers Usage Tracker
CF Spend Monitor — Cloudflare Workers Usage at a Glance Cloudflare's billing dashboard shows you monthly totals 24 hours after the fact. CF Spend Monitor pulls live analytics.workers data straight from the API and lights up the toolbar badge the moment your spend crosses your set threshold. Why this exists We run 103 production Cloudflare Workers across api.lazy-mac.com. Cloudflare's default UI is great for postmortems but useless for live spend hygiene: • A bug that loops fetch() 1M times an hour racks up $40 before billing notices • Free-tier workers silently graduate to paid plan above 100K req/day — and you find out 10 days later • Multiple zones make per-account dashboards inadequate What you see in the popup • Today's spend ($USD, refreshed every 5 min) • Top 5 noisiest workers (CPU time × invocations) • Free-tier exhaustion bar (% used of 100K daily req limit) • Threshold warning (badge turns red when projected month spend exceeds your cap, default $10) Pro tier ($5 one-time) • Per-worker cost attribution (so you can kill the runaway worker without guessing) • 30-day spend sparkline + CSV export • Telegram alert hook (real-time threshold breach push) • Multi-account support (paste 2-5 CF API tokens in Settings) What you get on purchase 1. The signed Chrome MV3 zip — load via chrome://extensions → Developer mode → Load unpacked 2. A unique Gumroad license key — paste in Settings to unlock Pro 3. Lifetime free updates (v0.x line) 4. Direct support: reply to receipt or email coindany4@gmail.com Privacy Your CF API token is stored locally in chrome.storage.local and used only to call Cloudflare's /accounts/:id/analytics_engine/sql endpoint directly from your browser to api.cloudflare.com. No proxy, no telemetry. License verification calls only https://api.gumroad.com/v2/licenses/verify. Public privacy policy: https://api.lazy-mac.com/privacy/cf-spend-monitor Built by lumen / lazymac (Daniel Choi) We operate 103 CF Workers in production and built this because the existing dashboards are slow. If you operate >10 workers, this pays for itself the first time it catches a runaway loop.
Get it → coindany.gumroad.com