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x402 — the HTTP 402 payment protocol by Coinbase.
Native to the web, chain-agnostic, built for AI agents & micropayments.
github.com/coinbase/x402
V1 Protocol Sequencing
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x402 — A payments protocol for the internet. Built on HTTP.
Credit cards weren’t made for the internet — high fees, slow settlement, minimums too high.
x402 fixes that with an open, chain-agnostic, trust-minimized payment layer.

