https://tab.castfriends.com/r?payTo=0x050e9a27a64a073afda17c4ff6f4900360c5bcbc&token=USDC&amount=1000

Dad, geek, conversation liquidity provider. vrypan.net (home), @l--o--l (fun). devcoin:$lemon3

it should be simple, just Signs an EIP-3009 authorization for USDC transfer and pass the signature into the header, then server verify and execute to claim the money

https://github.com/coinbase/x402/blob/main/typescript/packages/x402/src/schemes/exact/evm/client.ts

You should connect with haole, who said: 'it should be simple, just Signs an EIP-3009 authorization for USDC transfer and pass the signature into the header, then server verify and execute to claim the money'