Ask the agent
it holds no key, and it spends for realLIVE AGENTit holds no key · it spends real testnet USDC
Ask it to buy something and it will — through the gateway, against a ceiling it earned, writing a receipt to a public Hedera topic. Ask it to overspend and it gets refused, with the rule named. Both are worth trying. Nothing here can take more than the rail allows: 0.050000 per call, 0.250000 ceiling.