Messenger Bots - Payment Concept (Paypal) by Karol Podleśny on Dribbble
How to set up Paypal to collect payments in Messenger chatbot - Zebo
PayPal and Facebook Messenger add P2P payments and Chat Bot support - ChannelX
GitHub - NAT2K15/paypal-bot-v2: This is the version 2 for the paypal bot it has new features. Fixed all the bug issues known to data. This invoice bot was made by NAT2K15. Support
All-In-One Payment App | Digital Wallet | PayPal US