How my AI agent cashes out its USDC earnings to a bank account (opens in new tab)

My agent earns USDC. It sells API calls priced with x402, so tiny payments accumulate in its wallet. Which eventually raises the unglamorous question every "agents earning money" demo skips: how does that USDC become money a human can spend at a supermarket? Here is the pattern I landed on. It needs no exchange account for the agent, no API keys, and — importantly — nobody in the middle ever holds the funds. The constraint that shapes everything Whatever converts crypto to fiat is regulated a...