Prosopo
Procaptcha for forms and Prosopo Protect for site-wide and API bot defence, from London
Quick Overview
| Company | Prosopo Limited |
|---|---|
| Category | Bot Protection and CAPTCHA Software |
| Headquarters | London, United Kingdom |
| Founded | 2021 |
| EU Presence | Yes - United Kingdom (Europe, not EU) |
| Data Location | Not checked (compliance section not opened) |
| Open Source | No |
| GDPR Compliant | Yes |
| Self-Hosting | Listed as a Procaptcha feature on the pricing page; documentation not checked |
| Main Features | Invisible CAPTCHA, accessible CAPTCHA, spam filter, residential proxy detection, forms, API and site-wide protection, access rules, WordPress, React, Vue, Angular, Qualtrics, Cloudflare Workers and AWS Lambda@Edge integrations |
| Pricing | Free $0 (10,000 requests a month); Professional $139 per month (1M requests); Enterprise from $1,990 per month; Custom from $3,300 per month |
| Best For | Teams that want a free CAPTCHA now and a path to site-wide and API protection from the same vendor |
| Replaces | Google reCAPTCHA, hCaptcha, Cloudflare Turnstile |
Detailed Review
Prosopo Limited is a UK private company incorporated on 26 May 2021 (Companies House 13421250). The register lists two individuals as persons with significant control and no parent company, and the legal page names Prosopo Limited as the contracting party.
The offer has two parts. Procaptcha is the entry product, an invisible or accessible CAPTCHA with a spam filter and residential proxy detection. Prosopo Protect adds forms, API and site-wide protection with access rules.
Procaptcha plans
The Free plan gives 10,000 requests a month for one site. Professional is priced at $139 per month for 1 million requests on its plan card, with a free trial button whose length is not stated. The comparison table on the same page shows 'From $39 per month' for Professional, so confirm the figure before buying.
Prosopo Protect
Protect Enterprise starts at $1,990 per month on a 12-month term and covers forms, API and site-wide protection. Protect Custom starts at $3,300 per month and is quoted per customer. The pricing page lists edge deployment on Cloudflare Workers and AWS Lambda@Edge.
Currency and integrations
Prices are shown in USD, and the page offers EUR and GBP switches. Integrations listed include WordPress, React, Vue, Angular and Qualtrics.
Limitations to Consider
The free plan covers forms only, and site-wide and API protection start at Enterprise. Enterprise and Custom are from-prices. The Professional price is inconsistent on the pricing page ($139 card, from $39 in the table). Certifications and data residency were not checked, and the UK is outside the EU.
Who Should Use Prosopo
Teams that start with form protection on a free plan and may later need API or site-wide defence. Buyers who need a published data residency statement should ask the vendor first, or compare ALTCHA, which states EU-only endpoints.
Pros and Cons
Pros
- Free plan with 10,000 requests a month
- Forms, API and site-wide protection from one vendor
- Edge deployment on Cloudflare Workers and AWS Lambda@Edge
- Active UK company, incorporated 2021, per Companies House
- Integrations for WordPress and common JavaScript frameworks
Cons
- Free plan covers forms only
- Enterprise and Custom are from-prices
- Professional price differs between card and table
- Certifications and data residency not verified
Alternatives to Prosopo
Other European bot protection and captcha software worth comparing before you decide:
See all European bot protection and captcha software or compare them directly against Google reCAPTCHA on our alternatives page.
Frequently Asked Questions
Prosopo Limited is registered in England and Wales. Companies House lists two individuals as persons with significant control and no parent company.
Yes. Procaptcha Free costs $0 and includes 10,000 requests a month for one site.
Site-wide and API protection with access rules, starting with the Enterprise plan at $1,990 per month on a 12-month term.