アプリの統合
x402
支払いとDeFiの統合
API · 標準と仕様 · トランザクション管理
x402 is an open payments protocol built on the HTTP 402 status code that lets an application or agent pay per request in stablecoins without accounts or API keys. Builders add its middleware to a service to charge per call, or to a client so it can pay.