Coinbase x402 enables instant stablecoin payments over HTTP
Coinbase has just pulled the wraps off x402—an open standard that dusts off and gives new purpose to the long-dormant HTTP "402 Payment Required" status code. The big idea is to let developers, and even AI agents, slot stablecoin payments right into the back-and-forth of web interactions.
Traditional payment systems were bolted onto the digital world rather than being born from it. They're often slow, can sting with unexpected costs, are fenced in by geography, and frequently...
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