Add reCaptcha V2 in Android

Step 1. Go to Google reCaptcha website.

Step 2. Fill all the required fields note you need to select reCAPTCHA Android if you are selecting reCAPTCHA type V2 as shown in the below image.

Step 3. Now you also need to define your package name in the packages field you can add multiple packages here.

Step 4. Once you fill all fields you get your API. We use Site Key in our Android application.

Google reCaptcha Android Integration

Check this post Add Google reCaptcha in Android Application for complete android Google reCaptcha integration.