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Description
The TextCaptcha service offers a straightforward JSON or XML API over HTTP that delivers text-based CAPTCHA challenges. The primary component is the textual question posed to the user, while the valid responses are represented as MD5 hashes of the correct answers converted to lowercase; this allows for verification against user responses. Text-based CAPTCHAs are generally more user-friendly for individuals with visual impairments compared to traditional image-based options like ReCAPTCHA. Additionally, they are advantageous when challenges need to be communicated through text-only mediums such as SMS or IRC. However, a significant drawback of text CAPTCHAs is that they tend to convey more information than distorted images, making them potentially easier to decipher. With the rise of advanced parsing technologies like Wolfram Alpha, even relatively simple logic challenges can now be tackled with greater ease by automated systems. This evolution poses ongoing challenges for the effectiveness of text-based CAPTCHA systems in maintaining security against bots.
Description
The service effectively distinguishes between automated requests and human interactions, filtering out bots while maintaining fast response times. To enhance its analysis, machine learning models are employed, utilizing extensively curated datasets that reflect many years of experience in safeguarding Yandex web resources, which are continuously refreshed. Instead of relying on pre-made images, the service autonomously creates its own, ensuring that it retains an impressive 85% accuracy in human recognition while complicating the process for bots attempting to solve CAPTCHAs. SmartCaptcha operates within the Yandex Cloud infrastructure, adhering to both international standards and Russian laws concerning information security. By implementing this system, you can add user verification to your website without the need for an “I’m not a robot” checkbox; the invisible CAPTCHA is only triggered for users whose requests appear dubious. Furthermore, the service is capable of generating recognition texts on its own, allowing you to select the desired level of complexity to enhance security. This innovative approach ensures a seamless user experience while effectively defending against automated threats.
API Access
Has API
API Access
Has API
Pricing Details
Free
Free Trial
Free Version
Pricing Details
$0.800000 per 1000 requests
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
TextCaptcha
Website
textcaptcha.com
Vendor Details
Company Name
Yandex
Founded
1997
Country
Russia
Website
cloud.yandex.com/en/services/smartcaptcha