Buy a trial prepaid capacity pass — $0.50 for 20 calls, 7 days (PAID $0.50)

VALUE: The trial tier of the same prepaid capacity — proof of the unit economics before you commit to the full pass.

PRICE: $0.50 USDC per call.

HOW TO PAY: USDC on eip155:8453, exact scheme, to 0xc8fF67FAE72596478599EAAcfad8656fAe1113c8. Sign an EIP-3009 transferWithAuthorization for the exact amount and put it in the X-PAYMENT header, then retry the same call. An unpaid call returns a payment_required payload with the amount, asset, network and payTo already filled in. The synthex-x402 SDK (PyPI and npm) does the 402 -> sign -> retry loop in one call.