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x402 Protocol Explained: How AI Agents Pay Online

calendar_today August 13, 2026 person Valeria domain nownodes

The x402 protocol is an open payment standard that lets a website, an API, or an AI agent charge for a request directly over HTTP, using stablecoins that settle on a blockchain in seconds. It takes a forgotten piece of the web — the HTTP status code 402, “Payment Required” — and finally gives it […] The post x402 Protocol Explained: How AI Agents Pay Online appeared first on NOWNodes Blog .

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