Prevent spam for checkout form Easy for People. Hard for Bots. This will bring advanced security to a checkout form to protect any spam and abuse, so you can rest easy. OVERVIEW We use the popular  Google reCAPTCHA  in check out form, the last yet important step before customers decide to send their money. This will protect your website from spam and abuse effectively HOW IT WORKS After customers enter all necessary information in check-out form, they also need to complete reCaptcha form to finish the process. It does this while letting your valid users pass through with ease. Google analyzes risk with advanced techniques to discriminate humans from bots.