
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 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
GoCaptcha
GoCaptcha offers the first 100,000 verifications free each month, effectively safeguarding websites from bots and spam.
ALTCHA
ALTCHA’s AntiSpam combines innovative Captcha alternatives with intelligent Spam Filtering to effectively block unwanted submissions.
CaptchaFox
Protecting websites from malicious bots, abusive spam, and fraudsters, CaptchaFox ensures compliance with GDPR standards.
Turnstile
Turnstile offers a seamless solution to enhance web user experiences by eliminating the need for CAPTCHAs.
Prosopo CAPTCHA
Prosopo CAPTCHA offers a dynamic, proof-of-work solution designed to thwart bots and automation threats effectively.
Yandex SmartCaptcha
Yandex SmartCaptcha is an advanced verification service that distinguishes between genuine user requests and bots, utilizing machine learning models trained on extensive datasets.
CaptchaText
Featuring real-time IP verification, advanced bot detection, and support for 23 languages, it allows seamless...
hCaptcha
Its advanced machine learning minimizes data retention and efficiently verifies human users through simple tasks...
Simpli5d
By analyzing real reader behavior and preferences, it empowers businesses to refine engagement strategies, organically...
Friendly Captcha
Utilizing proof-of-work mechanisms and advanced risk signals, it ensures security without tracking personal data...
Solve Media CAPTCHA TYPE-IN
Users simply enter a brand message or security phrase, saving an average of 7 seconds...
Arkose MatchKey
Its advanced design not only thwarts modern bots but also ensures compliance with accessibility standards...
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.