Source: CoinbaseThe head of engineering at Coinbase Developer Platform and co-author of the x402 white paper, Erik Reppel, said, “We’re laying the groundwork for an economy run not just by people, but by software — autonomous, intelligent, and always on.”Related: Coinbase sees first crypto transaction between AI agentsGagan Mac, vice president of product management at Circle, said x402 “elegantly simplifies real-time monetization” and unlocks “exciting new use cases like micropayments for AI agents and apps.”Coinbase is launching the new protocol in partnership with AWS (Amazon Web Services), stablecoin issuer Circle, AI company Anthropic and AI-focused proof-of-stake layer-1 blockchain Near Protocol.
It allows Application Programming Interface (APIs), apps, and AI agents to transact seamlessly, “unlocking a faster, automated internet economy,” the firm stated. Coinbase said that x402 “is fixing the internet’s first mistake.” The protocol resurrects the experimental HTTP 402 “Payment Required” status code to create a seamless payment system native to the internet.
The firm noted that traditional payment rails, such as credit cards, bank transfers and subscriptions, “were built for a pre-internet world.” They’re slow, expensive, geographically limited, and “riddled with manual steps,” it added. However, x402 embeds stablecoin payments directly into web interactions, requiring minimal code integration, and is designed for both humans and AI agents to transact value as easily as exchanging data.x402 payment flow.
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Author / Journalist: Cointelegraph by Martin Young
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