Prosopo Protect
Prosopo Protect: Configurable bot decisions for websites and JSON APIs across edge or self-hosted deployments. Ranked #7 of 11 in Bot Detection and Mitigation Software by our editors (7.6/10); pricing: Pricing on request; best for teams wanting configurable edge or self-hosted controls.
At a glance
- Editor score7.6 / 10
- PricingPricing on request
- Best forTeams wanting configurable edge or self-hosted controls
- Protected surfaceswebsites; JSON APIs
- Facts checked24 Sep 2026
Where it wins
- Allow, block, or challenge verdicts with monitor-only baselining
- Rules can use IP CIDR, ASN, country, headers, JA4, and OS
- Works across HTML sites and JSON APIs with audit tracing
Where it doesn't
- Pricing uses a contact-sales process
- Documentation is the listed support channel
- CAPTCHA challenges can add friction for legitimate visitors
Our verdict on Prosopo Protect
Prosopo Protect inspects requests before they reach a website or API origin, then returns an allow, block, or challenge decision. It is designed for teams protecting whole websites, JSON APIs, or both, with deployment options spanning Cloudflare Workers, AWS Lambda@Edge, nginx, Caddy, and custom reverse proxies. Rules can evaluate IP CIDR, ASN, country, User-Agent, headers, JA4 TLS fingerprint, and operating system, giving engineering teams control over how traffic is handled.
Prosopo uses a contact-sales pricing model, so organizations should plan for a vendor conversation rather than a published self-serve checkout. Its deployment and ecosystem fit are broad: edge execution is available through Cloudflare Workers and AWS Lambda@Edge, while server-side protection can sit behind nginx, Caddy, or another reverse proxy. Decision records can be sent to Datadog, Splunk, Elastic, or Microsoft Sentinel. For HTML paths, Protect can serve branded CAPTCHA challenge or block interstitials; for JSON APIs, it returns HTTP status and decision headers instead.
The strongest operational feature is its monitor-only mode, which lets teams baseline traffic before enforcing rules. Session verdict caching through a first-party cookie can also reduce repeated decision work, while request IDs and audit logging support investigation of individual outcomes. This makes Protect a fit for teams that want configurable policy and traceability across edge or self-hosted infrastructure. Organizations seeking a fully managed service, transparent online pricing, or broader support channels should compare alternatives. Teams must also decide whether CAPTCHA interruptions are appropriate for their legitimate users and API clients.
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Prosopo Protect pricing
Prosopo Protect fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Challenge types | CAPTCHA interstitial; CAPTCHA challenge |
| Protected surfaces | websites; JSON APIs |
| Behavioral detection | Yes |
| Custom bot rules | Yes |
| Deployment methods | Cloudflare Workers; AWS Lambda@Edge; nginx; Caddy; custom reverse proxy |
| Supported protocols | HTTP; JSON API over HTTP |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 9 integrations: Cloudflare Workers, AWS Lambda@Edge, nginx, Caddy, custom reverse proxies, Datadog … |
| Pricing | Pricing on request (source) |
| Website | prosopo.io |
| Facts checked | 24 Sep 2026 |
Prosopo Protect integrations
Prosopo Protect lists 9 integrations on its own site.
- Cloudflare Workers
- AWS Lambda@Edge
- nginx
- Caddy
- custom reverse proxies
- Datadog
- Splunk
- Elastic
- Microsoft Sentinel
Alternatives to Prosopo Protect
- Radware Bot ManagerBroad bot mitigation across web, mobile, and APIs, with contact-sales pricing.8.8
- Netacea Bot ManagementA cloud bot-management service for behavioral detection across web, API and mobile surfaces.8.6
- ThreatX Bot ManagementManaged bot defense for web applications and APIs, with behavioral scoring and 24/7 support.8.4
See all Prosopo Protect alternatives →
Prosopo Protect vs the competition
- Prosopo Protect vs Radware Bot Manager
- Prosopo Protect vs Netacea Bot Management
- Prosopo Protect vs ThreatX Bot Management
- Prosopo Protect vs Arkose Bot Manager
- Prosopo Protect vs F5 WAF for Distributed Cloud
- Prosopo Protect vs Fingerprint
Compare Prosopo Protect with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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