You’ve probably seen “X402” all over your feed… but don’t really get what it is. Here’s the deal 👇 Coinbase just revived the forgotten “HTTP 402: Payment Required” code from 1999 and turned it into a live crypto payment protocol. It lets you pay for a single API call - no login, no account, no credentials. AI agents can pay autonomously, apps can charge per request, and it’s all on-chain across #Base, #Solana, #Polygon, and #NEAR. It’s the missing payments layer the internet was supposed to hav