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What is Sale Automation?

During major sales events, bots are often used to buy up limited products faster than humans can react. This leads to unfair distribution and consumer frustration.

Common Issues

  • Bots hoarding stock
  • Resellers flipping products
  • Genuine customers missing out

How Prosopo Protects Sales Events

Procaptcha can identify and stop automated bots in real time - ensuring your deals reach real people.

Register now to deploy it before your next flash sale.

Learn More

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Trusted by companies of all sizes

1000+
active websites
1B+
monthly secure verifications
100M+
bots stopped per month

Our customers love us

Hundreds of businesses have made the switch from reCAPTCHA and hCaptcha to us. Here's what they have to say.

T
Tyler
Finally, a CAPTCHA That Actually Works
After bots repeatedly bypassed both Google reCAPTCHA and Cloudflare Turnstile on our sites, we switched to Prosopo—and the difference was immediate. We haven’t seen a single bot submission since. Highly recommend giving it a try!
21 Mar 2025
T
Theo
Prosopo's CAPTCHA widget
I've installed Prosopo's CAPTCHA widget on my website to filter out spam from my contact form. Getting it working was a little bit tricky but the support from Chris has been first class.
I wanted to use a CAPTCHA which was as easy as possible for my website's visitors while respecting their privacy and which didn't use cookies. Prosopo's CAPTCHA meets all these criteria.
Update - after more than a week I haven't had a single spam form submission.
31 Mar 2025
D
Damjan
Amazing experience
Switching to Prosopo's Procaptcha was a massive improvement over other solutions we've previously tried which include hCaptcha and reCaptcha.

We managed to greatly reduce the friction and churn rate of our users
29 Apr 2025