diff --git a/api/api/api.py b/api/api/api.py
index 81c7f1c..2dd0219 100644
--- a/api/api/api.py
+++ b/api/api/api.py
@@ -132,6 +132,5 @@ def ask():
             message = "".join([arg['message'] for arg in e.args])
             return jsonify(errors=[message]), 400
 
-
     app.register_blueprint(apiv1, url_prefix="/api/v1")
     return app
diff --git a/api/api/services/token.py b/api/api/services/token.py
index bb3f119..2b54e75 100644
--- a/api/api/services/token.py
+++ b/api/api/services/token.py
@@ -22,5 +22,5 @@ def transfer(self, sender_address, recipient_address, amount_wei):
             'from': sender_address
         })
 
-        tx_hash = self.w3.eth.send_transactions(transfer_tx)
+        tx_hash = self.w3.eth.send_transaction(transfer_tx)
         return tx_hash.hex()
\ No newline at end of file