TextCaptcha
TextCaptcha offers a straightforward API for generating textual CAPTCHA challenges, accessible via JSON or XML over HTTP. Designed with accessibility in mind, it caters t... TextCaptcha offers a straightforward API for generating textual CAPTCHA challenges, accessible via JSON or XML over HTTP. Designed with accessibility in mind, it caters to visually impaired users and supports text-only channels. Each question's answer is securely hashed, allowing for effective validation while mitigating the risk of automated solving.
Top TextCaptcha Alternatives
CaptchaFox
Protecting websites from malicious bots, abusive spam, and fraudsters, CaptchaFox ensures compliance with GDPR standards. Based in Germany, it employs...
Turnstile
Turnstile offers a seamless solution to enhance web user experiences by eliminating the need for CAPTCHAs. This innovative tool confirms...
Prosopo CAPTCHA
Prosopo CAPTCHA offers a dynamic, proof-of-work solution designed to thwart bots and automation threats effectively. Its seamless integration replaces reCAPTCHA...
Yandex SmartCaptcha
Yandex SmartCaptcha is an advanced verification service that distinguishes between genuine user requests and bots, utilizing machine learning models trained...
CaptchaText
Harnessing state-of-the-art Zero Database architecture and Hybrid In-Memory Indexing, this CAPTCHA software empowers users with enterprise-level security at no cost....
hCaptcha
Designed for optimal security, hCaptcha offers custom threat models and zero PII features, ensuring a robust defense against bots while...
Simpli5d
Harnessing patent-pending NLP technology, this platform combats malicious bot traffic, safeguarding valuable resources and enhancing the browsing experience for genuine...
Friendly Captcha
Friendly Captcha provides a privacy-first solution that automatically protects websites from spam and abuse without requiring user interaction. Utilizing proof-of-work...
GoCaptcha
GoCaptcha offers the first 100,000 verifications free each month, effectively safeguarding websites from bots and spam. Its innovative challenges are...
Arkose MatchKey
Arkose MatchKey revolutionizes user verification with a robust series of challenges that significantly enhance security and user experience. Its advanced...
ALTCHA
ALTCHA’s AntiSpam combines innovative Captcha alternatives with intelligent Spam Filtering to effectively block unwanted submissions. By employing a proof-of-work mechanism,...
Solve Media CAPTCHA TYPE-IN
The CAPTCHA TYPE-IN™ ads provide a seamless integration that enhances user experience while bolstering site security. Users simply enter a...
Top TextCaptcha Features
- Simple JSON/XML API access
- Supports text-only channels
- Accessibility for visually impaired users
- Randomly selected logic questions
- MD5 hashed answers for security
- Multiple acceptable answers
- Stateless implementation options
- Prevents token reuse
- Lock captcha to form instance
- Form timeout mechanisms
- Automatic captcha updates
- Suitable for high traffic applications
- Easy integration with existing services
- Customizable question formats
- Language support for English (UK)
- Hidden input answer embedding
- Salting for enhanced security
- Flexible user response validation
- Direct support contact for queries
- Robust against CSRF attacks.
