ReCAPTCHA Validation in Forms

# Install a reCAPTCHA field package
pip install django-recaptcha
      

# settings.py (relevant)

INSTALLED_APPS += ["captcha"]
RECAPTCHA_PUBLIC_KEY = "your-public-key"
RECAPTCHA_PRIVATE_KEY = "your-secret-key"
      

# urls.py

from django.urls import path, include

urlpatterns = [
    path("captcha/", include("captcha.urls")),
]
      

# forms.py

from django import forms
from captcha.fields import ReCaptchaField
from captcha.widgets import ReCaptchaV2Checkbox

class CommentForm(forms.Form):
    name = forms.CharField()
    comment = forms.CharField(widget=forms.Textarea)
    captcha = ReCaptchaField(widget=ReCaptchaV2Checkbox)