diff --git a/packages/rest-api/src/constants/abis/fastBridge.json b/packages/rest-api/src/constants/abis/fastBridge.json
new file mode 100644
index 0000000000..2efeb97a4b
--- /dev/null
+++ b/packages/rest-api/src/constants/abis/fastBridge.json
@@ -0,0 +1,851 @@
+[
+  {
+    "type": "constructor",
+    "inputs": [
+      { "name": "_owner", "type": "address", "internalType": "address" }
+    ],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "DEFAULT_ADMIN_ROLE",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "DISPUTE_PERIOD",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "FEE_BPS",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "FEE_RATE_MAX",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "GOVERNOR_ROLE",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "GUARD_ROLE",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "MIN_DEADLINE_PERIOD",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "REFUNDER_ROLE",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "REFUND_DELAY",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "RELAYER_ROLE",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "bridge",
+    "inputs": [
+      {
+        "name": "params",
+        "type": "tuple",
+        "internalType": "struct IFastBridge.BridgeParams",
+        "components": [
+          {
+            "name": "dstChainId",
+            "type": "uint32",
+            "internalType": "uint32"
+          },
+          { "name": "sender", "type": "address", "internalType": "address" },
+          { "name": "to", "type": "address", "internalType": "address" },
+          {
+            "name": "originToken",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "destToken",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "originAmount",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "destAmount",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          { "name": "sendChainGas", "type": "bool", "internalType": "bool" },
+          { "name": "deadline", "type": "uint256", "internalType": "uint256" }
+        ]
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "payable"
+  },
+  {
+    "type": "function",
+    "name": "bridgeProofs",
+    "inputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "outputs": [
+      { "name": "timestamp", "type": "uint96", "internalType": "uint96" },
+      { "name": "relayer", "type": "address", "internalType": "address" }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "bridgeRelays",
+    "inputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "outputs": [{ "name": "", "type": "bool", "internalType": "bool" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "bridgeStatuses",
+    "inputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint8",
+        "internalType": "enum FastBridge.BridgeStatus"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "canClaim",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
+      { "name": "relayer", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [{ "name": "", "type": "bool", "internalType": "bool" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "chainGasAmount",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "claim",
+    "inputs": [
+      { "name": "request", "type": "bytes", "internalType": "bytes" },
+      { "name": "to", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "deployBlock",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "dispute",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "getBridgeTransaction",
+    "inputs": [
+      { "name": "request", "type": "bytes", "internalType": "bytes" }
+    ],
+    "outputs": [
+      {
+        "name": "",
+        "type": "tuple",
+        "internalType": "struct IFastBridge.BridgeTransaction",
+        "components": [
+          {
+            "name": "originChainId",
+            "type": "uint32",
+            "internalType": "uint32"
+          },
+          {
+            "name": "destChainId",
+            "type": "uint32",
+            "internalType": "uint32"
+          },
+          {
+            "name": "originSender",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "destRecipient",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "originToken",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "destToken",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "originAmount",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "destAmount",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "originFeeAmount",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          { "name": "sendChainGas", "type": "bool", "internalType": "bool" },
+          {
+            "name": "deadline",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          { "name": "nonce", "type": "uint256", "internalType": "uint256" }
+        ]
+      }
+    ],
+    "stateMutability": "pure"
+  },
+  {
+    "type": "function",
+    "name": "getRoleAdmin",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" }
+    ],
+    "outputs": [{ "name": "", "type": "bytes32", "internalType": "bytes32" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "getRoleMember",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" },
+      { "name": "index", "type": "uint256", "internalType": "uint256" }
+    ],
+    "outputs": [{ "name": "", "type": "address", "internalType": "address" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "getRoleMemberCount",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" }
+    ],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "grantRole",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" },
+      { "name": "account", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "hasRole",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" },
+      { "name": "account", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [{ "name": "", "type": "bool", "internalType": "bool" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "nonce",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "protocolFeeRate",
+    "inputs": [],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "protocolFees",
+    "inputs": [{ "name": "", "type": "address", "internalType": "address" }],
+    "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "prove",
+    "inputs": [
+      { "name": "request", "type": "bytes", "internalType": "bytes" },
+      { "name": "destTxHash", "type": "bytes32", "internalType": "bytes32" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "refund",
+    "inputs": [
+      { "name": "request", "type": "bytes", "internalType": "bytes" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "relay",
+    "inputs": [
+      { "name": "request", "type": "bytes", "internalType": "bytes" }
+    ],
+    "outputs": [],
+    "stateMutability": "payable"
+  },
+  {
+    "type": "function",
+    "name": "renounceRole",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" },
+      {
+        "name": "callerConfirmation",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "revokeRole",
+    "inputs": [
+      { "name": "role", "type": "bytes32", "internalType": "bytes32" },
+      { "name": "account", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "setChainGasAmount",
+    "inputs": [
+      {
+        "name": "newChainGasAmount",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "setProtocolFeeRate",
+    "inputs": [
+      { "name": "newFeeRate", "type": "uint256", "internalType": "uint256" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "supportsInterface",
+    "inputs": [
+      { "name": "interfaceId", "type": "bytes4", "internalType": "bytes4" }
+    ],
+    "outputs": [{ "name": "", "type": "bool", "internalType": "bool" }],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "sweepProtocolFees",
+    "inputs": [
+      { "name": "token", "type": "address", "internalType": "address" },
+      { "name": "recipient", "type": "address", "internalType": "address" }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "event",
+    "name": "BridgeDepositClaimed",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "relayer",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "to",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "token",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "amount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "BridgeDepositRefunded",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "to",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "token",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "amount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "BridgeProofDisputed",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "relayer",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "BridgeProofProvided",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "relayer",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "transactionHash",
+        "type": "bytes32",
+        "indexed": false,
+        "internalType": "bytes32"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "BridgeRelayed",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "relayer",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "to",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "originChainId",
+        "type": "uint32",
+        "indexed": false,
+        "internalType": "uint32"
+      },
+      {
+        "name": "originToken",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "destToken",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "originAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "destAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "chainGasAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "BridgeRequested",
+    "inputs": [
+      {
+        "name": "transactionId",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "sender",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "request",
+        "type": "bytes",
+        "indexed": false,
+        "internalType": "bytes"
+      },
+      {
+        "name": "destChainId",
+        "type": "uint32",
+        "indexed": false,
+        "internalType": "uint32"
+      },
+      {
+        "name": "originToken",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "destToken",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "originAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "destAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "sendChainGas",
+        "type": "bool",
+        "indexed": false,
+        "internalType": "bool"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "ChainGasAmountUpdated",
+    "inputs": [
+      {
+        "name": "oldChainGasAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "newChainGasAmount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "FeeRateUpdated",
+    "inputs": [
+      {
+        "name": "oldFeeRate",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      },
+      {
+        "name": "newFeeRate",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "FeesSwept",
+    "inputs": [
+      {
+        "name": "token",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "recipient",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      },
+      {
+        "name": "amount",
+        "type": "uint256",
+        "indexed": false,
+        "internalType": "uint256"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "RoleAdminChanged",
+    "inputs": [
+      {
+        "name": "role",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "previousAdminRole",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "newAdminRole",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "RoleGranted",
+    "inputs": [
+      {
+        "name": "role",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "account",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "sender",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "RoleRevoked",
+    "inputs": [
+      {
+        "name": "role",
+        "type": "bytes32",
+        "indexed": true,
+        "internalType": "bytes32"
+      },
+      {
+        "name": "account",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "sender",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  { "type": "error", "name": "AccessControlBadConfirmation", "inputs": [] },
+  {
+    "type": "error",
+    "name": "AccessControlUnauthorizedAccount",
+    "inputs": [
+      { "name": "account", "type": "address", "internalType": "address" },
+      { "name": "neededRole", "type": "bytes32", "internalType": "bytes32" }
+    ]
+  },
+  {
+    "type": "error",
+    "name": "AddressEmptyCode",
+    "inputs": [
+      { "name": "target", "type": "address", "internalType": "address" }
+    ]
+  },
+  {
+    "type": "error",
+    "name": "AddressInsufficientBalance",
+    "inputs": [
+      { "name": "account", "type": "address", "internalType": "address" }
+    ]
+  },
+  { "type": "error", "name": "AmountIncorrect", "inputs": [] },
+  { "type": "error", "name": "ChainIncorrect", "inputs": [] },
+  { "type": "error", "name": "DeadlineExceeded", "inputs": [] },
+  { "type": "error", "name": "DeadlineNotExceeded", "inputs": [] },
+  { "type": "error", "name": "DeadlineTooShort", "inputs": [] },
+  { "type": "error", "name": "DisputePeriodNotPassed", "inputs": [] },
+  { "type": "error", "name": "DisputePeriodPassed", "inputs": [] },
+  { "type": "error", "name": "FailedInnerCall", "inputs": [] },
+  { "type": "error", "name": "MsgValueIncorrect", "inputs": [] },
+  {
+    "type": "error",
+    "name": "SafeERC20FailedOperation",
+    "inputs": [
+      { "name": "token", "type": "address", "internalType": "address" }
+    ]
+  },
+  { "type": "error", "name": "SenderIncorrect", "inputs": [] },
+  { "type": "error", "name": "StatusIncorrect", "inputs": [] },
+  { "type": "error", "name": "TokenNotContract", "inputs": [] },
+  { "type": "error", "name": "TransactionRelayed", "inputs": [] },
+  { "type": "error", "name": "ZeroAddress", "inputs": [] }
+]
diff --git a/packages/rest-api/src/constants/abis/fastBridgeRouter.json b/packages/rest-api/src/constants/abis/fastBridgeRouter.json
new file mode 100644
index 0000000000..c5617fe1cf
--- /dev/null
+++ b/packages/rest-api/src/constants/abis/fastBridgeRouter.json
@@ -0,0 +1,387 @@
+[
+  {
+    "type": "constructor",
+    "inputs": [
+      {
+        "name": "owner_",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "receive",
+    "stateMutability": "payable"
+  },
+  {
+    "type": "function",
+    "name": "GAS_REBATE_FLAG",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes1",
+        "internalType": "bytes1"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "adapterSwap",
+    "inputs": [
+      {
+        "name": "recipient",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "tokenIn",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "amountIn",
+        "type": "uint256",
+        "internalType": "uint256"
+      },
+      {
+        "name": "tokenOut",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "rawParams",
+        "type": "bytes",
+        "internalType": "bytes"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "amountOut",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "stateMutability": "payable"
+  },
+  {
+    "type": "function",
+    "name": "bridge",
+    "inputs": [
+      {
+        "name": "recipient",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "chainId",
+        "type": "uint256",
+        "internalType": "uint256"
+      },
+      {
+        "name": "token",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "amount",
+        "type": "uint256",
+        "internalType": "uint256"
+      },
+      {
+        "name": "originQuery",
+        "type": "tuple",
+        "internalType": "struct SwapQuery",
+        "components": [
+          {
+            "name": "routerAdapter",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "tokenOut",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "minAmountOut",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "deadline",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "rawParams",
+            "type": "bytes",
+            "internalType": "bytes"
+          }
+        ]
+      },
+      {
+        "name": "destQuery",
+        "type": "tuple",
+        "internalType": "struct SwapQuery",
+        "components": [
+          {
+            "name": "routerAdapter",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "tokenOut",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "minAmountOut",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "deadline",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "rawParams",
+            "type": "bytes",
+            "internalType": "bytes"
+          }
+        ]
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "payable"
+  },
+  {
+    "type": "function",
+    "name": "fastBridge",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "getOriginAmountOut",
+    "inputs": [
+      {
+        "name": "tokenIn",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "rfqTokens",
+        "type": "address[]",
+        "internalType": "address[]"
+      },
+      {
+        "name": "amountIn",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "originQueries",
+        "type": "tuple[]",
+        "internalType": "struct SwapQuery[]",
+        "components": [
+          {
+            "name": "routerAdapter",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "tokenOut",
+            "type": "address",
+            "internalType": "address"
+          },
+          {
+            "name": "minAmountOut",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "deadline",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "rawParams",
+            "type": "bytes",
+            "internalType": "bytes"
+          }
+        ]
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "owner",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "renounceOwnership",
+    "inputs": [],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "setFastBridge",
+    "inputs": [
+      {
+        "name": "fastBridge_",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "setSwapQuoter",
+    "inputs": [
+      {
+        "name": "swapQuoter_",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "swapQuoter",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "transferOwnership",
+    "inputs": [
+      {
+        "name": "newOwner",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "outputs": [],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "event",
+    "name": "FastBridgeSet",
+    "inputs": [
+      {
+        "name": "newFastBridge",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "OwnershipTransferred",
+    "inputs": [
+      {
+        "name": "previousOwner",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      },
+      {
+        "name": "newOwner",
+        "type": "address",
+        "indexed": true,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "event",
+    "name": "SwapQuoterSet",
+    "inputs": [
+      {
+        "name": "newSwapQuoter",
+        "type": "address",
+        "indexed": false,
+        "internalType": "address"
+      }
+    ],
+    "anonymous": false
+  },
+  {
+    "type": "error",
+    "name": "DeadlineExceeded",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "InsufficientOutputAmount",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "MsgValueIncorrect",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "PoolNotFound",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "TokenAddressMismatch",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "TokenNotContract",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "TokenNotETH",
+    "inputs": []
+  },
+  {
+    "type": "error",
+    "name": "TokensIdentical",
+    "inputs": []
+  }
+]
diff --git a/packages/rest-api/src/constants/enums.ts b/packages/rest-api/src/constants/enums.ts
new file mode 100644
index 0000000000..a0abf0f327
--- /dev/null
+++ b/packages/rest-api/src/constants/enums.ts
@@ -0,0 +1,7 @@
+export enum BridgeStatus {
+  NULL,
+  REQUESTED,
+  RELAYER_PROVED,
+  RELAYER_CLAIMED,
+  REFUNDED,
+}
diff --git a/packages/rest-api/src/constants/index.ts b/packages/rest-api/src/constants/index.ts
index 12a3cb05a3..73d263d60d 100644
--- a/packages/rest-api/src/constants/index.ts
+++ b/packages/rest-api/src/constants/index.ts
@@ -27,3 +27,15 @@ export const SUPPORTED_SWAP_CHAIN_IDS = [
   CHAINS.OPTIMISM.id,
   CHAINS.POLYGON.id,
 ]
+
+export const FAST_BRIDGE_ROUTER_ADDRESS_MAP = {
+  '1': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '10': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '56': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '480': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '8453': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '42161': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '59144': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '81457': '0x00cD000000003f7F682BE4813200893d4e690000',
+  '534352': '0x00cD000000003f7F682BE4813200893d4e690000',
+}
diff --git a/packages/rest-api/src/controllers/destinationTxController.ts b/packages/rest-api/src/controllers/destinationTxController.ts
index abc3b9e1e9..048a5a47c6 100644
--- a/packages/rest-api/src/controllers/destinationTxController.ts
+++ b/packages/rest-api/src/controllers/destinationTxController.ts
@@ -1,9 +1,10 @@
 import { validationResult } from 'express-validator'
-import { ethers } from 'ethers'
 
-import { getTokenDecimals } from '../utils/getTokenDecimals'
-import { tokenAddressToToken } from '../utils/tokenAddressToToken'
 import { logger } from '../middleware/logger'
+import { getBridgeStatus } from '../utils/getBridgeStatus'
+import { BridgeStatus } from '../constants/enums'
+import { fetchBridgeTransaction } from '../utils/fetchBridgeTransaction'
+import { serializeBridgeInfo } from '../serializers/serializeBridgeInfo'
 
 export const destinationTxController = async (req, res) => {
   const errors = validationResult(req)
@@ -11,84 +12,72 @@ export const destinationTxController = async (req, res) => {
     return res.status(400).json({ errors: errors.array() })
   }
 
+  let payload = {}
+
   try {
     const { originChainId, txHash } = req.query
 
-    const graphqlEndpoint = 'https://explorer.omnirpc.io/graphql'
-    const graphqlQuery = `
-      {
-        bridgeTransactions(
-          useMv: true
-          chainIDFrom: ${originChainId}
-          txnHash: "${txHash}"
-        ) {
-          toInfo {
-            chainID
-            address
-            txnHash
-            value
-            USDValue
-            tokenSymbol
-            tokenAddress
-            blockNumber
-            formattedTime
-          }
-        }
-      }
-    `
-
-    const graphqlResponse = await fetch(graphqlEndpoint, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify({ query: graphqlQuery }),
-    })
-
-    const graphqlData = await graphqlResponse.json()
-    const toInfo = graphqlData.data.bridgeTransactions?.[0]?.toInfo || null
+    const graphqlData = await fetchBridgeTransaction(originChainId, txHash)
 
-    if (toInfo) {
-      const { tokenAddress, value, chainID, ...restToInfo } = toInfo
+    const {
+      fromInfo = null,
+      toInfo = null,
+      kappa = null,
+    } = graphqlData?.data?.bridgeTransactions?.[0] || {}
 
-      const tokenInfo = tokenAddressToToken(chainID.toString(), tokenAddress)
-      const tokenDecimals = getTokenDecimals(chainID, tokenAddress)
-      const formattedValue = ethers.utils.formatUnits(value, tokenDecimals)
-
-      const payload = {
-        status: 'completed',
-        toInfo: {
-          chainID,
-          ...restToInfo,
-          tokenSymbol: tokenInfo ? tokenInfo?.symbol : null,
-          formattedValue: `${formattedValue}`,
-        },
+    if (!fromInfo && !toInfo) {
+      payload = {
+        status: 'not found',
+        fromInfo,
+        toInfo,
       }
 
       logger.info(`Successful destinationTxController response`, {
         query: req.query,
         payload,
       })
-      res.json(payload)
-    } else {
-      const payload = {
-        status: 'pending',
-        toInfo: null,
+      return res.status(404).json(payload)
+    }
+
+    if (fromInfo && !toInfo) {
+      const status = await getBridgeStatus(originChainId, kappa)
+
+      if (status === BridgeStatus.REFUNDED) {
+        payload = {
+          status: 'refunded',
+          fromInfo: serializeBridgeInfo(fromInfo),
+          toInfo,
+        }
+      } else {
+        payload = {
+          status: 'pending',
+          fromInfo: serializeBridgeInfo(fromInfo),
+          toInfo,
+        }
       }
+    }
 
-      logger.info(`Successful destinationTxController response`, {
-        query: req.query,
-        payload,
-      })
-      res.json(payload)
+    if (fromInfo && toInfo) {
+      payload = {
+        status: 'completed',
+        fromInfo: serializeBridgeInfo(fromInfo),
+        toInfo: serializeBridgeInfo(toInfo),
+      }
     }
+
+    logger.info(`Successful destinationTxController response`, {
+      query: req.query,
+      payload,
+    })
+
+    return res.json(payload)
   } catch (err) {
     logger.error(`Error in destinationTxController`, {
       query: req.query,
       error: err.message,
       stack: err.stack,
     })
-    res.status(500).json({
+    return res.status(500).json({
       error:
         'An unexpected error occurred in /destinationTx. Please try again later.',
       details: err.message,
diff --git a/packages/rest-api/src/serializers/serializeBridgeInfo.ts b/packages/rest-api/src/serializers/serializeBridgeInfo.ts
new file mode 100644
index 0000000000..889d731a63
--- /dev/null
+++ b/packages/rest-api/src/serializers/serializeBridgeInfo.ts
@@ -0,0 +1,19 @@
+import { ethers } from 'ethers'
+
+import { tokenAddressToToken } from '../utils/tokenAddressToToken'
+import { getTokenDecimals } from '../utils/getTokenDecimals'
+
+export const serializeBridgeInfo = (info) => {
+  const { tokenAddress, value, chainID, ...restInfo } = info
+
+  const tokenInfo = tokenAddressToToken(chainID.toString(), tokenAddress)
+  const tokenDecimals = getTokenDecimals(chainID, tokenAddress)
+  const formattedValue = ethers.utils.formatUnits(value, tokenDecimals)
+
+  return {
+    chainID,
+    ...restInfo,
+    tokenSymbol: tokenInfo ? tokenInfo?.symbol : null,
+    formattedValue: `${formattedValue}`,
+  }
+}
diff --git a/packages/rest-api/src/tests/destinationTxRoute.test.ts b/packages/rest-api/src/tests/destinationTxRoute.test.ts
index 064e857f97..a0715865d6 100644
--- a/packages/rest-api/src/tests/destinationTxRoute.test.ts
+++ b/packages/rest-api/src/tests/destinationTxRoute.test.ts
@@ -16,6 +16,7 @@ describe('Get Destination TX Route', () => {
 
     expect(response.status).toBe(200)
     expect(response.body).toHaveProperty('status')
+    expect(response.body.status).toBe('completed')
     expect(response.body).toHaveProperty('toInfo')
     if (response.body.toInfo) {
       expect(response.body.toInfo).toHaveProperty('chainID')
@@ -29,6 +30,42 @@ describe('Get Destination TX Route', () => {
     }
   }, 10000)
 
+  it('should return a refunded response for refunded transaction', async () => {
+    const response = await request(app).get('/destinationTx').query({
+      originChainId: '8453',
+      txHash:
+        '0x019f84bbb9999e3d34f8c636ddb6b4852bfeeaed423fd70607047f393cbfd070',
+    })
+
+    expect(response.status).toBe(200)
+    expect(response.body).toHaveProperty('status')
+    expect(response.body.status).toBe('refunded')
+    expect(response.body).toHaveProperty('fromInfo')
+    if (response.body.fromInfo) {
+      expect(response.body.fromInfo).toHaveProperty('chainID')
+      expect(response.body.fromInfo).toHaveProperty('address')
+      expect(response.body.fromInfo).toHaveProperty('txnHash')
+      expect(response.body.fromInfo).toHaveProperty('formattedValue')
+      expect(response.body.fromInfo).toHaveProperty('USDValue')
+      expect(response.body.fromInfo).toHaveProperty('tokenSymbol')
+      expect(response.body.fromInfo).toHaveProperty('blockNumber')
+      expect(response.body.fromInfo).toHaveProperty('formattedTime')
+    }
+    expect(response.body).toHaveProperty('toInfo')
+    expect(response.body.toInfo).toBeNull()
+  }, 10000)
+
+  it('should return 404 for non-existent txHash', async () => {
+    const response = await request(app).get('/destinationTx').query({
+      originChainId: '8453',
+      txHash:
+        '0x12411d1beafd68de6a20b704d70deb8436effbac1f77fddfc0c7ef14f08e96c3',
+    })
+
+    expect(response.status).toBe(404)
+    expect(response.body.status).toBe('not found')
+  }, 10000)
+
   it('should return 400 for missing originChainId', async () => {
     const response = await request(app).get('/destinationTx').query({
       txHash:
diff --git a/packages/rest-api/src/utils/fetchBridgeTransaction.ts b/packages/rest-api/src/utils/fetchBridgeTransaction.ts
new file mode 100644
index 0000000000..d5e9473b41
--- /dev/null
+++ b/packages/rest-api/src/utils/fetchBridgeTransaction.ts
@@ -0,0 +1,51 @@
+export const fetchBridgeTransaction = async (
+  originChainId: number | string,
+  txHash: string
+) => {
+  const graphqlEndpoint = 'https://explorer.omnirpc.io/graphql'
+  const graphqlQuery = `
+      {
+        bridgeTransactions(
+          useMv: true
+          chainIDFrom: ${originChainId}
+          txnHash: "${txHash}"
+        ) {
+          kappa
+          fromInfo {
+            chainID
+            address
+            txnHash
+            value
+            USDValue
+            tokenSymbol
+            tokenAddress
+            blockNumber
+            formattedTime
+          }
+          toInfo {
+            chainID
+            address
+            txnHash
+            value
+            USDValue
+            tokenSymbol
+            tokenAddress
+            blockNumber
+            formattedTime
+          }
+        }
+      }
+    `
+
+  const graphqlResponse = await fetch(graphqlEndpoint, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({ query: graphqlQuery }),
+  })
+
+  const graphqlData = await graphqlResponse.json()
+
+  return graphqlData
+}
diff --git a/packages/rest-api/src/utils/getBridgeStatus.ts b/packages/rest-api/src/utils/getBridgeStatus.ts
new file mode 100644
index 0000000000..ea249c201e
--- /dev/null
+++ b/packages/rest-api/src/utils/getBridgeStatus.ts
@@ -0,0 +1,37 @@
+import { ethers } from 'ethers'
+
+import fastBridgeAbi from '../constants/abis/fastBridge.json'
+import fastBridgeRouterAbi from '../constants/abis/fastBridgeRouter.json'
+import { FAST_BRIDGE_ROUTER_ADDRESS_MAP } from '../constants'
+import { CHAINS_BY_ID } from '../constants/chains'
+
+export const getBridgeStatus = async (
+  originChainId: string | number,
+  kappa: string
+) => {
+  const chainInfo = CHAINS_BY_ID[originChainId]
+  const rpcUrl = chainInfo.rpcUrls.primary || chainInfo.rpcUrls.fallback
+  const provider = new ethers.providers.JsonRpcProvider(rpcUrl)
+
+  const routerAddress = FAST_BRIDGE_ROUTER_ADDRESS_MAP[originChainId]
+
+  const fastBridgeRouterContract = new ethers.Contract(
+    routerAddress,
+    fastBridgeRouterAbi,
+    provider
+  )
+
+  const fastBridgeAddress = await fastBridgeRouterContract.fastBridge()
+
+  const fastBridgeContract = new ethers.Contract(
+    fastBridgeAddress,
+    fastBridgeAbi,
+    provider
+  )
+
+  const status = await fastBridgeContract.bridgeStatuses(
+    kappa.startsWith('0x') ? kappa : `0x${kappa}`
+  )
+
+  return status
+}