Facebook Pay, you can donate, make purchases, or send money within Facebook apps. Facebook Pay utilizes anti-fraud technology and advanced encryption to keep users' payment information secure. When purchasing items, sending money, or donating to charitable causes on Facebook platforms like Messenger, Instagram, and WhatsApp, there's now a simple and easy way to do it quickly and securely: Facebook Pay. The digital wallet stores payment information such as your credit and debit cards or PayPal account, so you can use them across Facebook-owned apps without the need to enter it for each transaction. According to Facebook, Pay is secure due to its "advanced technology," which includes anti-fraud monitors, data encryption, and notifications for unusual activity. The platform also allows users to add a pin or use the login biometrics on their device to purchase or send money.