{"ok":true,"credits":{"grid":100,"usdc":"1.000000","rule":"100 GRID of service per 1 USDC; debited per call past the free allowance at the list prices of GET /v1/access"},"pay":{"chainId":8453,"network":"Base","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","symbol":"USDC","amount":"1.000000","amount_units":"1000000","payee":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","call":{"to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","data":"0xa9059cbb0000000000000000000000003574999dd4c96eb73bd6e11d4177010c83e14f5b00000000000000000000000000000000000000000000000000000000000f4240","value":"0x0"}},"sign":{"message":null,"how":"send X-API-Key on this call to get the exact message: the signature names the key that is credited","get_key":{"method":"POST","url":"https://coord.taifoon.dev/v1/register","body":{}}},"steps":["get a key: POST /v1/register (no body needed), then ask for this quote again with X-API-Key","send pay.call from one wallet (an EOA) on Base: a USDC transfer of exactly 1.000000 to the payee","sign sign.message with that wallet, the transaction hash filled in (personal_sign)","POST /v1/access/topup { tx, signature } with the same X-API-Key","GET /v1/access/key shows the balance; calls past the free allowance are debited per call"],"rule":"exactly a whole number of USDC from 1 to 20; one credit per transaction; only the sender's transfer to the payee counts","schema":"taifoon.access.quote.v1","usdc":1}