TextCaptcha

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

1

GoCaptcha

GoCaptcha offers the first 100,000 verifications free each month, effectively safeguarding websites from bots and spam.

2

ALTCHA

ALTCHA’s AntiSpam combines innovative Captcha alternatives with intelligent Spam Filtering to effectively block unwanted submissions.

By: BAU Software s.r.o.
3

CaptchaFox

Protecting websites from malicious bots, abusive spam, and fraudsters, CaptchaFox ensures compliance with GDPR standards.

By: Scoria Labs GmbH From Germany
4

Turnstile

Turnstile offers a seamless solution to enhance web user experiences by eliminating the need for CAPTCHAs.

By: Cloudflare From United States
5

Prosopo CAPTCHA

Prosopo CAPTCHA offers a dynamic, proof-of-work solution designed to thwart bots and automation threats effectively.

By: Prosopo From United Kingdom
6

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.

By: Yandex From Russia
7

CaptchaText

Featuring real-time IP verification, advanced bot detection, and support for 23 languages, it allows seamless...

From United States
8

hCaptcha

Its advanced machine learning minimizes data retention and efficiently verifies human users through simple tasks...

By: hCaptcha From United States
9

Simpli5d

By analyzing real reader behavior and preferences, it empowers businesses to refine engagement strategies, organically...

By: NLPCaptcha From India
10

Friendly Captcha

Utilizing proof-of-work mechanisms and advanced risk signals, it ensures security without tracking personal data...

By: Friendly Captcha From Germany
11

Solve Media CAPTCHA TYPE-IN

Users simply enter a brand message or security phrase, saving an average of 7 seconds...

By: Solve Media From United States
12

Arkose MatchKey

Its advanced design not only thwarts modern bots but also ensures compliance with accessibility standards...

By: Arkose Labs From United States

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.