diff --git a/config/default_config.json b/config/default_config.json
index 22889fb1..0db86ead 100644
--- a/config/default_config.json
+++ b/config/default_config.json
@@ -49,11 +49,21 @@
     "privacy": "Public",
     "value": 0
   },
+  "gateway_config.stateless_tx_validator_config.max_bytecode_size": {
+    "description": "Validates that a transaction has bytecode size less than or equal to this value.",
+    "privacy": "Public",
+    "value": 0
+  },
   "gateway_config.stateless_tx_validator_config.max_calldata_length": {
     "description": "Validates that a transaction has calldata length less than or equal to this value.",
     "privacy": "Public",
     "value": 0
   },
+  "gateway_config.stateless_tx_validator_config.max_raw_class_size": {
+    "description": "Validates that a transaction has raw class size less than or equal to this value.",
+    "privacy": "Public",
+    "value": 0
+  },
   "gateway_config.stateless_tx_validator_config.max_sierra_version.major": {
     "description": "The major version of the configuration.",
     "privacy": "Public",
diff --git a/crates/gateway/src/config.rs b/crates/gateway/src/config.rs
index 9add4d86..5d659a7f 100644
--- a/crates/gateway/src/config.rs
+++ b/crates/gateway/src/config.rs
@@ -122,6 +122,18 @@ impl SerializeConfig for StatelessTransactionValidatorConfig {
                  value.",
                 ParamPrivacyInput::Public,
             ),
+            ser_param(
+                "max_bytecode_size",
+                &self.max_bytecode_size,
+                "Validates that a transaction has bytecode size less than or equal to this value.",
+                ParamPrivacyInput::Public,
+            ),
+            ser_param(
+                "max_raw_class_size",
+                &self.max_raw_class_size,
+                "Validates that a transaction has raw class size less than or equal to this value.",
+                ParamPrivacyInput::Public,
+            ),
         ]);
         vec![
             members,