Configuration / System / Magento Admin

Site Key		[STORE VIEW]
Secret Key	Get Google reCAPTCHA v3 keys from: https://www.google.com/recaptcha/admin	[STORE VIEW]

Enable		[STORE VIEW]
Threshold Score	Google threshold score for customers. The higher, the stricter. Allowed range: 0.1-1.0 (0.5 - by default).	[STORE VIEW]
Verification Error Message		[STORE VIEW]
Submit Forms	-----Customer Login----- customer_login customer/account/login form[action="customer/account/loginPost"] customer/account/loginPost -----Customer Create----- customer_create customer/account/create form[action="customer/account/createpost"] customer/account/createpost -----Customer Forgot Password----- customer_forgotpassword customer/account/forgotpassword form[action="customer/account/forgotpasswordpost"] customer/account/forgotpasswordpost -----Contacts----- contacts contacts/index/index form[action="contacts/index/post"] contacts/index/post -----Checkout----- checkout checkout/onepage/index form#co-billing-form checkout/onepage/saveBilling -----Newsletter----- newsletter //* form[action*="newsletter/subscriber/new"] newsletter/subscriber/new Specify the parameters for each form where the captcha should work. For each form you need to fill in 5 lines. Example: 1. -----Any Title----- 2. action_name_for_google 3. url/with/form 4. CSS-selector for form 5. action/submit/url	[STORE VIEW]

Enable		[STORE VIEW]
Threshold Score	Google threshold score for admin users. The higher, the stricter. Allowed range: 0.1-1.0 (0.7 - by default).	[STORE VIEW]
Verification Error Message		[STORE VIEW]

Demo Store for Google reCAPTCHA v3