Average Ratings 0 Ratings
Average Ratings 0 Ratings
Description
ALTCHA is a CAPTCHA alternative which uses a proof of work mechanism to protect websites and online services against spam.
ALTCHA uses a mechanism of proof-of-work to protect your website, online services, and APIs from spam and unwanted material. Unlike other solutions ALTCHA is open-source, self-hosted and free. It does not require external services and does not use fingerprinting or cookies.
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.
API Access
Has API
API Access
Has API
Integrations
Angular
CapMonster Cloud
Drupal
HTML
Laravel
Next.js
Node.js
Nuxt
WordPress
Integrations
Angular
CapMonster Cloud
Drupal
HTML
Laravel
Next.js
Node.js
Nuxt
WordPress
Pricing Details
0
Free Trial
Free Version
Pricing Details
Free
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
BAU Software s.r.o.
Founded
2023
Country
Czechia
Website
altcha.org
Vendor Details
Company Name
TextCaptcha
Website
textcaptcha.com