diff --git a/README.md b/README.md
index eabb6179..873976ad 100644
--- a/README.md
+++ b/README.md
@@ -214,8 +214,9 @@ Input message:
   "params": {
     "descriptor": string; // account public key in hex (eg. 6d17587575a3b4f0f86ebad3977e8f7e4981faa863eccf5c1467065c74fe3435943769446dd290d103fb3d360128e86de4b47faea73ffb0900c94c6a61ef9ea2)
     "details": 'basic' | 'tokens' | 'tokenBalances' |'txids' | 'txs';
-    "page?": number; // optional, default 1
-    "pageSize?": number; // optional, default 20
+    "page"?: number; // optional, default 1
+    "pageSize"?: number; // optional, default 20
+    "cbor"?: boolean; // optional, get CBOR representation of transactions
   }
 }
 ```
@@ -330,6 +331,7 @@ Response:
           asset_mint_or_burn_count: number;
           redeemer_count: number;
           valid_contract: boolean;
+          cbor?: string;
         };
         address: string;
         txHash: string;
diff --git a/src/methods/get-account-info.ts b/src/methods/get-account-info.ts
index 033c81e6..2c58179d 100644
--- a/src/methods/get-account-info.ts
+++ b/src/methods/get-account-info.ts
@@ -21,6 +21,7 @@ export const getAccountInfo = async (
   details: Details,
   page = 1,
   pageSize = 25,
+  cbor?: boolean,
 ): Promise<Responses.AccountInfo> => {
   let _addressesCount = 0;
   const tStart = Date.now();
@@ -117,6 +118,7 @@ export const getAccountInfo = async (
       // fetch full transaction objects and set account.history.transactions
       const txs = await txIdsToTransactions(
         requestedPageTxIds.map(item => ({ address: item.address, txIds: [item.tx_hash] })),
+        cbor,
       );
 
       accountInfo.history.transactions = txs;
@@ -155,8 +157,9 @@ export default async (
   details: Details,
   page = 1,
   pageSize = 25,
+  cbor?: boolean,
 ): Promise<string> => {
-  const data = await getAccountInfo(publicKey, details, page, pageSize);
+  const data = await getAccountInfo(publicKey, details, page, pageSize, cbor);
   const message = prepareMessage({ id, clientId, data });
 
   return message;
diff --git a/src/server.ts b/src/server.ts
index f1d2fece..aaaedc10 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -242,6 +242,7 @@ wss.on('connection', async (ws: Server.Ws) => {
           params.details,
           params.page,
           params.pageSize,
+          params.cbor,
         );
 
         break;
diff --git a/src/types/message.ts b/src/types/message.ts
index 050200db..3ce5ee46 100644
--- a/src/types/message.ts
+++ b/src/types/message.ts
@@ -14,6 +14,7 @@ export type Messages = BaseMessage &
           details: Details;
           page?: number;
           pageSize?: number;
+          cbor?: boolean;
         };
       }
     | {
diff --git a/src/utils/message.ts b/src/utils/message.ts
index 6d8da68a..ab6dae6e 100644
--- a/src/utils/message.ts
+++ b/src/utils/message.ts
@@ -19,6 +19,7 @@ const schemas: { [k in Validators]: { properties: unknown; required?: string[] }
       details: { type: 'string', enum: Details },
       page: { type: ['number', 'string', 'null'] },
       pageSize: { type: ['number', 'string', 'null'] },
+      cbor: { type: 'boolean' },
     },
     required: ['descriptor', 'details'],
   },
diff --git a/src/utils/transaction.ts b/src/utils/transaction.ts
index 2500b2fc..b2cde39e 100644
--- a/src/utils/transaction.ts
+++ b/src/utils/transaction.ts
@@ -19,10 +19,10 @@ export const sortTransactionsCmp = <
   b: T,
 ): number => b.block_height - a.block_height || b.index - a.index;
 
-const fetchTxWithUtxo = async (txHash: string, address: string) => {
+const fetchTxWithUtxo = async (txHash: string, address: string, cbor?: boolean) => {
   try {
-    const txUtxo = await blockfrostAPI.txsUtxos(txHash);
-    const txData = await fetchTransactionData(txHash);
+    const txUtxo = await limiter(() => blockfrostAPI.txsUtxos(txHash));
+    const txData = await fetchTransactionData(txHash, cbor);
     const txUtxos = await transformTransactionUtxo(txUtxo);
 
     return { txData, txUtxos, address, txHash };
@@ -42,6 +42,7 @@ export const txIdsToTransactions = async (
     address: string;
     txIds: string[];
   }[],
+  cbor?: boolean,
 ): Promise<TxIdsToTransactionsResponse[]> => {
   if (txIdsPerAddress.length === 0) {
     return [];
@@ -51,7 +52,7 @@ export const txIdsToTransactions = async (
 
   for (const item of txIdsPerAddress) {
     for (const txId of item.txIds) {
-      promises.push(fetchTxWithUtxo(txId, item.address));
+      promises.push(fetchTxWithUtxo(txId, item.address, cbor));
     }
   }