diff --git a/src/exceptions/exceptions.ts b/src/exceptions/exceptions.ts
index 73c0d639..59031150 100644
--- a/src/exceptions/exceptions.ts
+++ b/src/exceptions/exceptions.ts
@@ -102,6 +102,15 @@ export class CCTPDoesNotSupportedError extends SdkRootError {
   }
 }
 
+export class TxTooLargeError extends SdkRootError {
+  constructor() {
+    super(
+      ErrorCode.TX_TOO_LARGE,
+      "Transaction too large: try again later or switch to another messenger or pay relayer fee in native gas currency"
+    );
+  }
+}
+
 export enum ErrorCode {
   SDK_ERROR = "SdkError",
   INVALID_AMOUNT_ERROR = "InvalidAmountError",
@@ -118,4 +127,5 @@ export enum ErrorCode {
   TIMEOUT_ERROR = "TimeoutError",
   NODE_RPC_URL_NOT_INITIALIZED_ERROR = "NodeRpcUrlNotInitializedError",
   CCTP_DOES_NOT_SUPPORTED_ERROR = "CCTPDoesNotSupportedError",
+  TX_TOO_LARGE = "TxTooLargeError",
 }
diff --git a/src/services/utils/sol/compute-budget.ts b/src/services/utils/sol/compute-budget.ts
index b7c1ba47..99deb963 100644
--- a/src/services/utils/sol/compute-budget.ts
+++ b/src/services/utils/sol/compute-budget.ts
@@ -8,6 +8,7 @@ import {
   VersionedTransaction,
 } from "@solana/web3.js";
 import { Big } from "big.js";
+import { TxTooLargeError } from "../../../exceptions";
 import { toPowBase10 } from "../../../utils/calculation";
 import { fetchAddressLookupTableAccountsFromTx } from "../../../utils/sol/utils";
 import { SolanaAutoTxFee, TxFeeParams } from "../../models";
@@ -33,6 +34,11 @@ export async function addUnitLimitAndUnitPriceToVersionedTx(
   const message = TransactionMessage.decompile(transaction.message, {
     addressLookupTableAccounts: addressLookupTableAccounts,
   });
+
+  if (transaction.serialize().length > 1232) {
+    throw new TxTooLargeError();
+  }
+
   /* eslint-disable-next-line @typescript-eslint/no-non-null-assertion */
   const simUnitsConsumed = (await connection.simulateTransaction(transaction, { replaceRecentBlockhash: true })).value
     .unitsConsumed!;