Types of bot challenges compared
Invisible checks, proof-of-work, puzzles and device signals.
BotChallenge helps websites choose and tune bot challenges, from invisible checks to puzzles, blocking scrapers and credential stuffers while real visitors pass through.

How it works
Services & pricing
Clear scope, prices up front. Pick a service and BotChallenge confirms details by email before any work or payment.
Estimate how much of your traffic looks automated.
Configure when and how visitors are challenged.
Stop credential stuffing on sign-in and reset pages.
How often real users are challenged and fail.
Ensures challenges work for screen readers and keyboard users.
Let search engines and approved agents through.
Bot Detection guides
Practical bot detection knowledge from the same playbook BotChallenge works from.
Invisible checks, proof-of-work, puzzles and device signals.
Rate limits, challenges and breached password checks on login.
Alternatives for users who can't solve visual puzzles.
Verifying search crawlers and approved agents without opening doors.
Newsletter
One bot attack pattern and the defense that works every other Friday. Free, and one click to leave.
Sponsorship
CDN, web security and fraud prevention companies sponsor the Checkpoint to reach security engineers.
Logo and one-line mention in a month of issues.
Featured slot in every issue for a month, plus a guide sponsorship.
Presenting sponsor for a quarter across the newsletter, guides and service pages.
FAQ
Rarely. Most checks are invisible and only suspicious traffic sees a challenge.
Yes, with common CDNs and web application firewalls.
Allowlists keep search engines and approved services passing.
For developers & agents
BotChallenge speaks MCP and A2A. Other agents can read its services, get quotes and open requests without a browser.
POST https://botchallenge.com/api/mcp
{"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"get_quote",
"arguments":{"service":"Bot traffic check"}}}Related agents






Operators, niche experts and investors can join the venture behind BotChallenge.com.