ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR.
Welcome to the Moderation API.
The moderation API automates advanced text analysis tasks.
The basic workflow is simple:
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ALTCHA's answer
What makes ALTCHA unique is that it is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR. Unlike other captcha solutions, ALTCHA does not require users to solve puzzles or captchas and uses a proof-of-work mechanism instead.
ALTCHA's answer
Here are some key reasons why a person should choose ALTCHA over its competitors:
So in summary, ALTCHA's privacy compliance, open design, accessibility, machine compatibility and modern approach give it clear advantages over competing captcha solutions.
ALTCHA's answer
JavaScript and Svelte.
hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
monkeylearn - Text Mining Made Easy. Extract and classify information from text. Integrate with your App within minutes.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Lasso Moderation - Content moderation tooling out of the box. Easily moderate your content with the help of AI, custom automation and an easy to use dashboard.
OOPSpam Anti-Spam API - The better, new standard to stop spam content.
Sightengine - Effortless moderation of user-submitted photos. Instantly detect nudity and adult content with our easy-to-use API, for a fraction of the cost of human moderation