{
  "status": 402,
  "error": "Payment Required",
  "message": "Access requires a 0.01 USDC payment on base via the x402 protocol.",
  "x402": {
    "version": "1.0",
    "scheme": "exact",
    "network": "base",
    "chainId": 8453,
    "asset": "USDC",
    "assetAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0xf678BCCeb109BC31eBe2cBb0b176d7b40e1f7054",
    "amount": "0.01",
    "amountUnits": "10000",
    "description": "Pay-per-request access for AI agents & Chrome"
  }
}