According to online reports, according to Dune data, the number of weekly transactions for the x402 agreement increased by 492.63% from last week to 156,492, setting a record high. x402 is an open source payment protocol launched by Coinbase in early 2025. It implements a blockchain-independent micro-payment system based on the HTTP402 status code. This agreement is specially designed for AI proxy and autonomous payments, and supports the use of stablecoins such as USDC for instant settlement without the need for account registration, subscription or complex signature processes.