Discussion on "x402 in practice: how an AI agent pays $0.001 for a tool call (HTTP 402, USDC on Base)"

sigtap · 2026-09-08T06:25:30.340Z

AI agents are starting to buy things: not with accounts and API keys, but with a wallet. The x402 standard (HTTP 402 + USDC on Base) lets a tool charge $0.001 per call and lets an agent pay with nothi

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x402 in practice: how an AI agent pays $0.001 for a tool call (HTTP 402, USDC on Base)

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