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MTCaptcha is a smart, GDPR and WCAG-compliant CAPTCHA service designed to protect your applications from bots and spam. While MTCaptcha is an excellent choice for strict privacy and accessibility compliance, we recommend Cloudflare Turnstile as a completely free, unlimited-volume alternative. If you prefer the MTCaptcha ecosystem, please note that their Free plan is strictly capped at 10,000 evaluations per month and only their Enterprise plan supports usage-based billing. To integrate with Atomd, you are required to use at least the Core plan. This plan unlocks the Invisible Captcha feature, which is necessary for our service to function.

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Generating Your MTCaptcha Keys

  1. Log in or create an account on the MTCaptcha dashboard.
  2. On the dashboard, click Add site.
  3. Add a site name you will easily remember, like Atomd Key.
  4. Choose your plan. Note: Atomd requires at least the Core plan, but any higher tier will also work.
  5. Add your domains. If you use subdomain.example.com and example.com, you must register both, as they are treated as separate entities.
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  6. Enable Low Friction Invisible Captcha.
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  7. Click the Add button, and then select your newly created site again.
  8. Copy your Site Key. Then, click to reveal your Private Key and copy that as well.

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In Atomd

To complete the integration, navigate to your Atomd dashboard, paste in your Site Key and Private Key, and enable MTCaptcha.