x402 is a missing piece of the HTTP protocol. Micro payments are a long standing quest, from xanadu to people sending their cc info through a form, paypal and later on bitcoin. x402 has the goal of simplicity, minimalism, actual micro payments that even AI agents can perform, however…Is the design too simple?I believe that the addition of a “follow up” or “ticketAddress” in the request would be more than enough to solve some of the problems I’ll list. I want to start the conversation with thi...