FlareCap

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Cloudflare spending alerts

Monitor usage. Estimate costs. Get notified before you overspend.

Polls your Workers, R2, KV, D1, and Durable Objects usage every 15 minutes. Converts units to estimated dollars. Alerts you when budget thresholds are crossed.

Workers R2 KV D1 Durable Objects
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Estimated Spend
$12.47 Mar 1 – Mar 3 · Updated 2:15 PM
62% of budget $20.00
Workers
$8.32
Requests 14.2M
CPU time 2.1M ms
R2
$3.21
Storage 18.4 GB
Class A ops 520K

How it works

1
Connect

Paste your Cloudflare API token and account ID. Encrypted and verified instantly.

2
Monitor

A cron job polls every 15 minutes. Usage is converted to estimated dollars using published Cloudflare pricing.

3
Alert

Get notified via email, Slack, Discord, or webhook when you cross 50%, 80%, or 100% of your budget.

Security

Your credentials, encrypted at rest

AES-256-GCM encryption

API tokens and account IDs are encrypted before storage. Never stored in plaintext.

Per-request decryption

Credentials are only decrypted in-memory during cron runs. Never logged, never cached.

Minimal permissions

Only requires Account Analytics:Read scope. No write access to your Cloudflare account.

plaintext → AES-256-GCM → D1 (encrypted)

Runs on Cloudflare Workers — your data never leaves the Cloudflare network.

Pricing

$0

No subscriptions. No usage fees. No catch.

FlareCap dog-foods the platform it monitors — it runs entirely on Cloudflare's free tier.

Stop guessing. Start monitoring.

Get started

Magic link sign-in. No password needed.