Audience
Companies looking for a solution for verifying queries to identify user requests and block bots
About Yandex SmartCaptcha
The service identifies requests similar to automatic ones, identifies bots, and filters them out without loss of response speed. For analysis, we use ML models trained on datasets containing data on many years of experience in protecting Yandex web resources. The datasets are regularly updated. The service does not use ready-made images, but generates them independently, making it possible to maintain an 85% level of human recognition while making it difficult for bots to recognize the CAPTCHA. SmartCaptcha is deployed in the Yandex Cloud infrastructure, which complies with international standards and Russian information security laws. Add verification to your site without the “I’m not a robot” button. An invisible captcha will only be seen by users with suspicious-looking requests. The service generates texts for recognition independently, and you can choose their level of complexity.
Other Popular Alternatives & Related Software
GoCaptcha
GoCaptcha: First 100k verifications free monthly, fortifying websites against bots and spam. Although bots are able to bypass conventional CAPTCHAs, the GoCaptcha challenges have been specifically created to effectively counter modern threats. By offering a combination of defensibility, usability, and accessibility, GoCaptcha is a single product that can handle a variety of challenges. In fact, it's the most powerful CAPTCHA solution available. GoCaptcha provides a better user experience compared to traditional CAPTCHAs. This is because it uses a combination of fun and interactive challenges that are easy for humans to solve but difficult for bots. Overall, the combination of engaging challenges, clear presentation, and accessibility features makes GoCaptcha a more user-friendly and enjoyable CAPTCHA solution.
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TrustCaptcha
TrustCaptcha protects your website from bots and spam—without frustrating users. Unlike traditional CAPTCHAs that rely on image puzzles and clicks, TrustCaptcha works invisibly in the background. It activates as users type, completing before they hit submit—reducing bounce rates and improving conversions. Behind the scenes, a smart trust scoring system evaluates each request, while a lightweight proof-of-work mechanism makes spam attacks costly for bots but unnoticeable for real users. This combination blocks abuse without disrupting the user experience. Fully GDPR-compliant and customizable, TrustCaptcha lets you adjust language, design, and visibility—even run it completely hidden. Integration is fast with clear documentation and support for major frameworks. Choose between fixed pricing or pay-per-use, so you only pay for what you need. TrustCaptcha delivers secure, seamless protection that boosts performance—not friction.
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CaptchaFox
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CaptchaFox utilizes a variety of data signals and dynamic response challenges to verify the authenticity of visitors without the use of cookies or trackers. The challenges have low friction and are easy for humans to solve but difficult for bots.
The service is available in multiple languages and scales to incoming traffic through our global infrastructure. Enterprise customers can access advanced threat insights to achieve complete risk awareness.
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MTCaptcha
MTCaptcha is a smart captcha service that prioritizes privacy and accessibility. It offers an adaptive invisible noCaptcha that is easy for humans but hard for bots, making verification frictionless. MTCaptcha is GDPR and WCAG compliant, ensuring that your data is never sold or shared with third parties. The captcha images are certified colorblind safe and the widget is fully VPAT compliant and optimized for screen readers. MTCaptcha supports any language and can be fully customized to match any webpage. It also supports audio in captcha, making it accessible to users who are visually impaired. MTCaptcha is trusted by Enterprises, Government, NGOs worldwide and is available in all the major world languages. MTCaptcha works around the world, including in China, making it a truly global captcha solution. It is backed by an adaptive Risk Engine that monitors and responds to threats, making it difficult for bots but easy for humans.
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Pricing
Starting Price:
$0.800000 per 1000 requests
Free Trial:
Free Trial available.
Company Information
Yandex
Founded: 1997
Russia
cloud.yandex.com/en/services/smartcaptcha
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