Internet Services

How do I connect a captcha?

Updated 2026-08-14

Quick answer

To connect a captcha, you need to sign up for a captcha service like Google reCAPTCHA and integrate the provided API keys into your website's code.

This guide provides steps to connect a captcha service to your website, ensuring user verification and reducing spam.

Steps

  1. 1

    Sign Up for a Captcha Service

    Visit the captcha service website (e.g., Google reCAPTCHA) and create an account. Register your site to obtain the API keys.

  2. 2

    Add API Keys to Your Website

    Insert the provided site key and secret key into your website's backend code or configuration settings. The exact location may vary by platform.

  3. 3

    Integrate Captcha in the Form

    Add the captcha widget code to your HTML form. Ensure it is placed before the submit button.

  4. 4

    Test the Captcha

    After implementation, test the form to ensure the captcha is functioning correctly and preventing spam submissions.

Overview of Captcha Integration

Captcha helps prevent automated submissions on your website. Integrating it requires obtaining API keys and adding code to your site.

Choosing a Captcha Service

Popular options include Google reCAPTCHA, hCaptcha, and others. Each has its own setup process and features.

Implementation Steps

Follow the steps below to integrate your chosen captcha service into your website.

Watch out for

  • Ensure compliance with privacy regulations when using captcha services, as they may collect user data.

FAQ

What if I encounter errors during integration?

Check the console for error messages and ensure your API keys are correctly entered and that your domain is registered in the captcha service.

Can I use multiple captcha services on one site?

Yes, but ensure they do not conflict with each other, and test thoroughly to avoid user confusion.

How do I customize the captcha appearance?

Most captcha services offer customization options in their dashboard. Check the documentation for specific instructions.