diff --git a/EGLDSender.py b/EGLDSender.py
index fc1b1b7..f5ae472 100644
--- a/EGLDSender.py
+++ b/EGLDSender.py
@@ -3,10 +3,13 @@
 from multiversx_sdk_core.transaction_builders import DefaultTransactionBuildersConfiguration
 from multiversx_sdk_core.transaction_builders import EGLDTransferBuilder
 from multiversx_sdk_network_providers import ProxyNetworkProvider
+from multiversx_sdk_cli.accounts import Account
 
 from pathlib import Path
 
+import requests
 import argparse
+import sys
 
 import pandas as pd
 pd.options.mode.chained_assignment = None  # default='warn'
@@ -57,6 +60,19 @@
 CHAIN_ID = config_network[CHAIN]["chainID"]
 PROXY = config_network[CHAIN]["proxy"]
 
+wallet = Account(pem_file=Path(f"./{args.pem}")).address
+
+try:
+    response = requests.get(f'https://{PROXY}api.multiversx.com/accounts/{wallet}')
+    response.raise_for_status()
+    balance = response.json()['balance']
+    if float(balance) < float(args.amount_airdrop) * pow(10, 18):
+        print(f"ERROR: You don't have enough EGLD")
+        sys.exit()
+except requests.exceptions.HTTPError as e:
+    print(f"ERROR: You don't own any EGLD")
+    sys.exit()
+
 # ---------------------------------------------------------------- #
 #                   MAIN EGLD FUNCTION
 # ---------------------------------------------------------------- #
diff --git a/ESDTSender.py b/ESDTSender.py
index dc5c1ee..c6c5830 100644
--- a/ESDTSender.py
+++ b/ESDTSender.py
@@ -2,6 +2,7 @@
 from multiversx_sdk_core import Address, TokenPayment
 from multiversx_sdk_core.transaction_builders import ESDTTransferBuilder, DefaultTransactionBuildersConfiguration
 from multiversx_sdk_network_providers import ProxyNetworkProvider
+from multiversx_sdk_cli.accounts import Account
 
 from pathlib import Path
 
@@ -60,11 +61,25 @@
 TOKEN_DECIMALS = args.decimals  # default : 18
 TOKEN_ID = args.id
 
+wallet = Account(pem_file=Path(f"./{args.pem}")).address
+
+try:
+    response = requests.get(f'https://{PROXY}api.multiversx.com/tokens/{TOKEN_ID}')
+    response.raise_for_status()
+except requests.exceptions.HTTPError as e:
+    print(f"ERROR: Token ({TOKEN_ID}) does not exist")
+    sys.exit()
+
 try:
-    response = requests.get(f'https://{PROXY}api.multiversx.com/tokens?identifier={TOKEN_ID}')
+    response = requests.get(f'https://{PROXY}api.multiversx.com/accounts/{wallet}/tokens/{TOKEN_ID}')
     response.raise_for_status()
+    balance = response.json()['balance']
+    amount_to_drop = float(args.amount_airdrop) * pow(10, int(args.decimals))
+    if float(balance) < amount_to_drop:
+        print(f"ERROR: You don't have enough {TOKEN_ID}")
+        sys.exit()
 except requests.exceptions.HTTPError as e:
-    print("ERROR: Token does not exist")
+    print(f"ERROR: You don't own any {TOKEN_ID}")
     sys.exit()
 
 # ---------------------------------------------------------------- #
diff --git a/multipleESDTSender.py b/multipleESDTSender.py
index d5f18bb..0aad379 100644
--- a/multipleESDTSender.py
+++ b/multipleESDTSender.py
@@ -2,6 +2,7 @@
 from multiversx_sdk_core import Address, TokenPayment
 from multiversx_sdk_core.transaction_builders import DefaultTransactionBuildersConfiguration, \
     MultiESDTNFTTransferBuilder
+from multiversx_sdk_cli.accounts import Account
 from multiversx_sdk_network_providers import ProxyNetworkProvider
 
 from pathlib import Path
@@ -65,18 +66,34 @@
 
 TOKEN_DECIMALS = []
 TOKEN_IDs = []
+
+wallet = Account(pem_file=Path(f"./{args.pem}")).address
+
 for index, id in enumerate(args.ids):
     try:
-        response = requests.get(f'https://{PROXY}api.multiversx.com/tokens?identifier={id}')
+        response = requests.get(f'https://{PROXY}api.multiversx.com/tokens/{id}')
         response.raise_for_status()
     except requests.exceptions.HTTPError as e:
         print(f"ERROR: Token {id} does not exist")
         sys.exit()
 
-    if index < len(args.decimals):
-        TOKEN_DECIMALS.append(args.decimals[index])
-    else:
-        TOKEN_DECIMALS.append(18)  # default : 18
+    try:
+        response = requests.get(f'https://{PROXY}api.multiversx.com/accounts/{wallet}/tokens/{id}')
+        response.raise_for_status()
+
+        if index < len(args.decimals):
+            TOKEN_DECIMALS.append(args.decimals[index])
+        else:
+            TOKEN_DECIMALS.append(18)  # default : 18
+
+        balance = response.json()['balance']
+        amount_to_drop = float(args.amounts_airdrop[index]) * pow(10, int(TOKEN_DECIMALS[index]))
+        if float(balance) < amount_to_drop:
+            print(f"ERROR: You don't have enough {id}")
+            sys.exit()
+    except requests.exceptions.HTTPError as e:
+        print(f"ERROR: You don't own any {id}")
+        sys.exit()
     TOKEN_IDs.append(id)
 
 
diff --git a/requirements.txt b/requirements.txt
index 5a8d257..ea08a4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 pandas==1.4.1
 multiversx-sdk-core===0.4.1
 multiversx-sdk-wallet===0.6.2
-multiversx-sdk-network-providers===0.6.9
\ No newline at end of file
+multiversx-sdk-network-providers===0.6.9
+multiversx_sdk_cli===6.1.3