curl --request GET \
  --url https://xreserve-api-testnet.circle.com/v1/info

{
  "sourceDomains": [
    {
      "chain": "Ethereum",
      "network": "Sepolia",
      "domain": 0,
      "contractAddress": "0x1234567890123456789012345678901234567890",
      "tokens": [
        "USDC"
      ]
    }
  ],
  "remoteDomains": [
    {
      "chain": "Ethereum",
      "network": "Mainnet",
      "domain": 0,
      "tokens": [
        {
          "remoteToken": "USDCx",
          "remoteTokenIdentifier": "0xb5c6b65f13c0c3b4bbf572ec78e63b262bd386c1",
          "associatedNativeToken": "USDC"
        }
      ]
    }
  ]
}