{"method":"POST","priceUsd":0.002,"network":"eip155:8453","description":"Monitor recent ERC-20/USDC transfers for one wallet and return next_cursor for efficient recurring polling. Designed for stablecoin payment detection and treasury loops; repeat about every 60 seconds while monitoring is active.","example":{"address":"0x0000000000000000000000000000000000000000","network":"base","lookback_blocks":500}}