diff --git a/starknet_devnet/blueprints/rpc/rpc_trace_spec.py b/starknet_devnet/blueprints/rpc/rpc_trace_spec.py
index c3a1136a3..f7243131d 100644
--- a/starknet_devnet/blueprints/rpc/rpc_trace_spec.py
+++ b/starknet_devnet/blueprints/rpc/rpc_trace_spec.py
@@ -59,8 +59,8 @@
                     }
                 },
                 {
-                    "name": "transaction",
-                    "description": "The transaction to simulate",
+                    "name": "transactions",
+                    "description": "The transactions to simulate",
                     "required": true,
                     "schema": {
                         "type": "array",
diff --git a/starknet_devnet/blueprints/rpc/transactions.py b/starknet_devnet/blueprints/rpc/transactions.py
index 278a54295..6f7848bde 100644
--- a/starknet_devnet/blueprints/rpc/transactions.py
+++ b/starknet_devnet/blueprints/rpc/transactions.py
@@ -220,7 +220,7 @@ async def estimate_fee(request: List[RpcBroadcastedTxn], block_id: BlockId) -> l
 @validate_schema("simulateTransaction")
 async def simulate_transaction(
     block_id: BlockId,
-    transaction: List[RpcTransaction],
+    transactions: List[RpcTransaction],
     simulation_flags: List[SimulationFlag],
 ) -> list:
     """
@@ -228,7 +228,7 @@ async def simulate_transaction(
     SKIP_EXECUTE SimulationFlag is not supported.
     """
     await assert_block_id_is_valid(block_id)
-    transactions = list(map(make_transaction, transaction))
+    transactions = list(map(make_transaction, transactions))
     skip_validate = SimulationFlag.SKIP_VALIDATE.name in simulation_flags
     skip_execute = SimulationFlag.SKIP_EXECUTE.name in simulation_flags
     simulated_transactions = []
diff --git a/test/rpc/test_rpc_traces.py b/test/rpc/test_rpc_traces.py
index 3a95bb4eb..da1262a4a 100644
--- a/test/rpc/test_rpc_traces.py
+++ b/test/rpc/test_rpc_traces.py
@@ -58,7 +58,7 @@ def test_skip_execute_flag(deploy_account_details):
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [rpc_deploy_account_tx],
+            "transactions": [rpc_deploy_account_tx],
             "simulation_flags": [SimulationFlag.SKIP_EXECUTE.name],
         },
     )
@@ -87,7 +87,7 @@ def test_simulate_transaction_invoke():
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [invoke_transaction],
+            "transactions": [invoke_transaction],
             "simulation_flags": [],
         },
     )["result"][0]
@@ -95,7 +95,7 @@ def test_simulate_transaction_invoke():
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [invoke_transaction],
+            "transactions": [invoke_transaction],
             "simulation_flags": [SimulationFlag.SKIP_VALIDATE.name],
         },
     )["result"][0]
@@ -157,7 +157,7 @@ def test_simulate_transaction_declare_v1(declare_content):
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [declare_transaction],
+            "transactions": [declare_transaction],
             "simulation_flags": [],
         },
     )["result"][0]
@@ -165,7 +165,7 @@ def test_simulate_transaction_declare_v1(declare_content):
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [declare_transaction],
+            "transactions": [declare_transaction],
             "simulation_flags": [SimulationFlag.SKIP_VALIDATE.name],
         },
     )["result"][0]
@@ -215,7 +215,7 @@ def test_simulate_transaction_declare_v2():
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [declare_transaction],
+            "transactions": [declare_transaction],
             "simulation_flags": [],
         },
     )["result"][0]
@@ -223,7 +223,7 @@ def test_simulate_transaction_declare_v2():
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [declare_transaction],
+            "transactions": [declare_transaction],
             "simulation_flags": [SimulationFlag.SKIP_VALIDATE.name],
         },
     )["result"][0]
@@ -251,7 +251,7 @@ def test_simulate_transaction_deploy_account(deploy_account_details):
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [rpc_deploy_account_tx],
+            "transactions": [rpc_deploy_account_tx],
             "simulation_flags": [],
         },
     )["result"][0]
@@ -259,7 +259,7 @@ def test_simulate_transaction_deploy_account(deploy_account_details):
         "starknet_simulateTransaction",
         {
             "block_id": "latest",
-            "transaction": [rpc_deploy_account_tx],
+            "transactions": [rpc_deploy_account_tx],
             "simulation_flags": [SimulationFlag.SKIP_VALIDATE.name],
         },
     )["result"][0]