In this tutorial, we will cover how to generate Google reCAPTCHA keys to use the Google reCATPCHA Widget. After generating the reCAPTCHA keys, you will be able to connect your keys to Arengu using the following settings:
- Site key
- Secret key
Determine what version of reCAPTCHA you need
There are two versions of reCAPTCHA
reCAPTCHA v2: Classic experience

If a user’s behavior is suspicious, reCAPTCHA v2 will provide a challenge, adding friction, so that the user can prove that they are indeed human. This version of reCAPTCHA is what most people are familiar with, as we have seen, images or audio challenges.
reCAPTCHA v3: Risk scoring
Removes friction by monitoring user activity on your website to detect abusive traffic. It provides administrators with a score, so they can choose appropriate action. reCAPTCHA v3 will need context of your user’s behavior, it is highly advisable to include reCAPTCHA on forms as well as in the background of pages for analytics.
Generate reCAPTCHA v2 keys
Go to the Google reCAPTCHA site
Add a Label name, Select reCAPTCHA v2 invisible reCAPTCHA badge, Add your website domain, Accept the reCAPTCHA Terms of Service and Click on Submit.

Once Added, you will see a page with your Site and Secret Keys.

Generate reCAPTCHA v3 keys
Go to the Google reCAPTCHA site
Add a Label name, Select reCAPTCHA v3, Add your website domain, Accept the reCAPTCHA Terms of Service and Click on Submit.

Once Added, you will see a page with your Site and Secret Keys.

Adding your Keys to the Google reCAPTCHA Widget
Copy the key values to the Google reCAPTCHA Widget in the Arengu form editor.
