{
 "name": "Altcha",
 "slug": "altcha",
 "category": "captcha-bot-protection",
 "description": "Open-source self-hosted proof-of-work CAPTCHA.",
 "url": "https://altcha.org/",
 "docs_url": "https://altcha.org/docs",
 "auth": "none",
 "pricing": "free",
 "http_status": null,
 "last_checked_at": "2026-10-14",
 "status": "active",
 "category_name": "CAPTCHA & Bot Protection",
 "swarmnest_url": "https://swarmnest.ai/directory/captcha-bot-protection/altcha/"
}