CapMonster Cloud is a cloud-based AI CAPTCHA solving service that automates reCAPTCHA, Cloudflare, GeeTest and other captchas via API and browser extensions for developers.
About
CapMonster Cloud is a cloud service that automatically recognizes and solves CAPTCHAs, removing a common bottleneck in web scraping, automated testing, and other browser or API workflows. Instead of routing challenges to human solvers or maintaining in-house recognition code, users submit tasks to a hosted AI system and receive tokens or answers back through a REST API.
The service, developed by ZennoLab, works on a pay-per-solve basis: a user registers, tops up a balance, and authenticates requests with a personal API key. Official SDKs are available for C#, Python, JavaScript, Go, and PHP, and Chrome and Firefox extensions handle CAPTCHAs automatically during regular browsing. Supported challenge types range from Google reCAPTCHA (v2, v3, and Enterprise) to Cloudflare Turnstile and Bot Challenge, GeeTest, Amazon AWS WAF, Imperva, DataDome, Tencent, and plain text or image CAPTCHAs. Proxies are included in the price for most tasks, so users generally do not need to supply their own.
Key Features
Pricing & Fees
- Pricing: Usage-based rates per 1,000 tokens include reCAPTCHA v2 at $0.60, reCAPTCHA v3 at $0.90, reCAPTCHA v2 Enterprise at $1.00, reCAPTCHA v3 Enterprise at $1.50, Cloudflare Turnstile and Bot Challenge at $1.30, Amazon WAF at $1.40, GeeTest at $1.20, Tencent CAPTCHA at $1.60, Yidun at $1.00, and Text CAPTCHA at $0.30. Users pay only for successfully solved CAPTCHAs.
- Trial balance: A $0.10 test balance is available on request from support, and ZennoPoster users get 5,000 free CAPTCHAs for testing.
- Volume bonuses: Solving volume earns balance bonuses of 5% at $500, 10% at $1,000, and 15% at $10,000 of solved CAPTCHAs.
- Refund policy: Refunds are available within 3 days of purchase if the service does not meet the user's needs.
- Business offering: High-volume customers get a dedicated account manager and a 99% SLA through the For Business program.
Who It's For
CapMonster Cloud is aimed primarily at developers and technical users: web scraping engineers who hit CAPTCHA walls during data collection, QA teams running automated test suites against protected sites, and freelancers building automation scripts or bots. It also suits RPA and integration teams that need a scalable, API-driven solve service, as well as software vendors who can join the affiliate program and earn up to 30% of referred users' spending. Casual users who simply want fewer CAPTCHAs while browsing can install the browser extension instead of writing code.
FAQ
What is CapMonster Cloud used for?It is a cloud service that automatically recognizes many CAPTCHA types, including reCAPTCHA v2/v3 and Enterprise, Cloudflare Turnstile and Bot Challenge, GeeTest, AWS WAF, DataDome, and text or image CAPTCHAs.
How much does CapMonster Cloud cost?Pricing is usage-based and charged per successfully solved CAPTCHA, with published rates such as $0.60 per 1,000 reCAPTCHA v2 tokens and $0.30 per 1,000 Text CAPTCHA tokens; full rates are on the official pricing page.
Is there a free trial?Yes, a $0.10 test balance is provided on request to support, and ZennoPoster users receive 5,000 free CAPTCHAs for evaluation.
Which platforms and integrations are supported?The service offers a REST API with official SDKs for C#, Python, JavaScript, Go, and PHP, plus Chrome and Firefox browser extensions and MCP connections for AI agents like Claude Code.
Can users get a refund?Yes, refunds are possible within 3 days after purchase if the service does not meet the user's needs, according to the vendor's FAQ.
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