Quick Start
Getting started with yCAPTCHA.
Introduction
yCAPTCHA (your-CAPTCHA) is a CAPTCHA widget built for small communities and subcultures. You upload your own images and build challenges around shared references — subway lines, rhythm game charts, niche memes — instead of generic traffic lights.
It is not a serious bot-detection service: there is no ML, no fingerprinting, no behavioral analysis. If you need real bot protection, use Cloudflare Turnstile or hCaptcha. yCAPTCHA is about the vibe.
Getting your API Key
Create a site and get API key in Dashboard.
Security
Never expose your Secret Key (sk_...) in client-side code.
Embed in 2 lines
<div class="y-captcha" data-sitekey="YOUR_SITE_KEY"></div>
<script src="https://ycaptcha.xyspg.moe/captcha.js" async defer></script>Work with LLMs
https://ycaptcha.xyspg.moe/llms-full.txt