18 known AI bot fingerprints · Free analyzer · Nothing uploaded

AI Bots Are Eating
Your Bandwidth

GPTBot, ClaudeBot, Perplexity — they're crawling your site 24/7. Find out exactly how much it's costing you, then block them with one line of code.

ANALYZE YOUR LOGS FREE →
No account required · Nothing uploaded · Results in seconds
38%
of all web traffic is now non-human. Most of it is AI bots you never invited.
$180
estimated monthly bandwidth cost from AI scrapers for a typical 50k visitor/mo site.
<10ms
BotCost verification latency. Runs at Cloudflare's edge — zero impact on real users.

How it works

01 — INSTALL

One line of code

Drop a middleware snippet into your Next.js, Nginx, or Cloudflare config. No infrastructure to manage.

X-AVL-Key: your_api_key
02 — VERIFY

Every bot, checked

Each request hits our edge network. Known bots identified, unknown ones flagged, bad actors blocked instantly.

POST botcost.dev/verify → 200 | 403
03 — CONTROL

Your rules, your data

See all bot traffic in a real-time dashboard. Block scrapers, allow good crawlers, monetize AI agents.

dashboard.botcost.dev/traffic

Try the free analyzer

Upload your server log and see exactly which AI bots are hitting your site and what it costs. No account required.

ANALYZE YOUR LOGS FREE →
Free · No account · Works on Nginx, Cloudflare, Vercel