Reading the launch
x402 payments for AI agents on Robinhood Chain. An agent calls one tool. RHX402 reads the price from the 402 response, checks a spending policy the model cannot change, signs a USDG payment and returns the data with a receipt signed by the agent's own key. The facilitator submits the transfer and pays the ETH gas, so the agent only ever holds USDG. A call the seller fails is never charged. Live
Reading trades.