How to register your site with Google reCAPTCHA


These instructions explain how to register your site with the Google reCAPTCHA service. This will allow you to add reCAPTCHA to your site to prevent spam.


  1. A Google User Account.

Skill Level

Basic knowledge of browsers.

More Info

Developer’s Guide to reCAPTCHA:


Time needed: 5 minutes.

  1. Go to the Google reCAPTCHA site.

    Go to
    If you’re not already logged in, enter the email or phone number associated with your Google Account, click Next, then enter your password and click Next.Google User Account Password field and Next button - screenshot

  2. Complete the Register a new site step.

    Fill in the Label, reCAPTCHA type, Domains and Owners fields, and tick the Accept the reCAPTCHA Terms of Service and Send alerts to owners tick boxes.
    In the reCAPTCHA type field, select reCAPTCHA v3 unless your site or app doesn’t support it. v3 is less obtrusive than v2.
    Click Submit.Register a new site fields - screenshot

  3. Make a note of the keys.

    Click the Copy Site Key and Copy Secret Key buttons and paste them into your favourite password manager. You can use these to integrate reCAPTCHA on your site or app.Copy site key and Copy secret key buttons - screenshot