diff --git a/crates/blockifier_reexecution/src/main.rs b/crates/blockifier_reexecution/src/main.rs
index fa99d0ecc2..f058390dbe 100644
--- a/crates/blockifier_reexecution/src/main.rs
+++ b/crates/blockifier_reexecution/src/main.rs
@@ -8,7 +8,6 @@ use blockifier_reexecution::state_reader::utils::{
     guess_chain_id_from_node_url,
     reexecute_and_verify_correctness,
     write_block_reexecution_data_to_file,
-    JSON_RPC_VERSION,
 };
 use clap::{Args, Parser, Subcommand};
 use google_cloud_storage::client::{Client, ClientConfig};
@@ -181,10 +180,7 @@ async fn main() {
                 rpc_args.node_url
             );
 
-            let config = RpcStateReaderConfig {
-                url: rpc_args.node_url.clone(),
-                json_rpc_version: JSON_RPC_VERSION.to_string(),
-            };
+            let config = RpcStateReaderConfig::from_url(rpc_args.node_url.clone());
 
             // RPC calls are "synchronous IO" (see, e.g., https://stackoverflow.com/questions/74547541/when-should-you-use-tokios-spawn-blocking)
             // for details), so should be executed in a blocking thread.
diff --git a/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs b/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
index 55e48c3911..49084ecdb6 100644
--- a/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
+++ b/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
@@ -89,7 +89,7 @@ pub fn get_test_block_id() -> BlockId {
 }
 
 pub fn get_test_rpc_config() -> RpcStateReaderConfig {
-    RpcStateReaderConfig { url: get_test_url(), json_rpc_version: "2.0".to_string() }
+    RpcStateReaderConfig::from_url(get_test_url())
 }
 
 #[fixture]
diff --git a/crates/blockifier_reexecution/src/state_reader/utils.rs b/crates/blockifier_reexecution/src/state_reader/utils.rs
index 3742e1e033..edbfa1b99f 100644
--- a/crates/blockifier_reexecution/src/state_reader/utils.rs
+++ b/crates/blockifier_reexecution/src/state_reader/utils.rs
@@ -31,7 +31,6 @@ pub static RPC_NODE_URL: LazyLock<String> = LazyLock::new(|| {
     env::var("TEST_URL")
         .unwrap_or_else(|_| "https://free-rpc.nethermind.io/mainnet-juno/".to_string())
 });
-pub const JSON_RPC_VERSION: &str = "2.0";
 
 pub fn guess_chain_id_from_node_url(node_url: &str) -> ReexecutionResult<ChainId> {
     match (
@@ -59,12 +58,9 @@ pub fn get_fee_token_addresses(chain_id: &ChainId) -> FeeTokenAddresses {
     }
 }
 
-/// Returns the RPC state reader configuration with the constants RPC_NODE_URL and JSON_RPC_VERSION.
+/// Returns the RPC state reader configuration with the constant RPC_NODE_URL.
 pub fn get_rpc_state_reader_config() -> RpcStateReaderConfig {
-    RpcStateReaderConfig {
-        url: RPC_NODE_URL.clone(),
-        json_rpc_version: JSON_RPC_VERSION.to_string(),
-    }
+    RpcStateReaderConfig::from_url(RPC_NODE_URL.clone())
 }
 
 /// Returns the chain info of mainnet.
@@ -260,8 +256,7 @@ pub fn write_block_reexecution_data_to_file(
     node_url: String,
     chain_id: ChainId,
 ) {
-    let config =
-        RpcStateReaderConfig { url: node_url, json_rpc_version: JSON_RPC_VERSION.to_string() };
+    let config = RpcStateReaderConfig::from_url(node_url);
 
     let consecutive_state_readers = ConsecutiveTestStateReaders::new(
         block_number.prev().expect("Should not run with block 0"),
diff --git a/crates/papyrus_load_test/Cargo.toml b/crates/papyrus_load_test/Cargo.toml
index b321a4481c..ce1ffdaf6a 100644
--- a/crates/papyrus_load_test/Cargo.toml
+++ b/crates/papyrus_load_test/Cargo.toml
@@ -17,7 +17,7 @@ rand.workspace = true
 reqwest.workspace = true
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true, features = ["arbitrary_precision"] }
-starknet_api.workspace = true
+starknet_api = { workspace = true, features = ["testing"] }
 tokio.workspace = true
 
 [dev-dependencies]
diff --git a/crates/starknet_gateway/src/config.rs b/crates/starknet_gateway/src/config.rs
index f0e02aee90..2ce2c97654 100644
--- a/crates/starknet_gateway/src/config.rs
+++ b/crates/starknet_gateway/src/config.rs
@@ -11,6 +11,8 @@ use validator::Validate;
 
 use crate::compiler_version::VersionId;
 
+const JSON_RPC_VERSION: &str = "2.0";
+
 #[derive(Clone, Debug, Default, Serialize, Deserialize, Validate, PartialEq)]
 pub struct GatewayConfig {
     pub stateless_tx_validator_config: StatelessTransactionValidatorConfig,
@@ -119,16 +121,28 @@ impl SerializeConfig for StatelessTransactionValidatorConfig {
     }
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, Validate, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize, Validate, PartialEq)]
 pub struct RpcStateReaderConfig {
     pub url: String,
     pub json_rpc_version: String,
 }
 
+impl RpcStateReaderConfig {
+    pub fn from_url(url: String) -> Self {
+        Self { url, ..Default::default() }
+    }
+}
+
+impl Default for RpcStateReaderConfig {
+    fn default() -> Self {
+        Self { url: Default::default(), json_rpc_version: JSON_RPC_VERSION.to_string() }
+    }
+}
+
 #[cfg(any(feature = "testing", test))]
 impl RpcStateReaderConfig {
     pub fn create_for_testing() -> Self {
-        Self { url: "http://localhost:8080".to_string(), json_rpc_version: "2.0".to_string() }
+        Self::from_url("http://localhost:8080".to_string())
     }
 }
 
diff --git a/crates/starknet_integration_tests/src/config_utils.rs b/crates/starknet_integration_tests/src/config_utils.rs
index 6715c197b1..09fef5ddfa 100644
--- a/crates/starknet_integration_tests/src/config_utils.rs
+++ b/crates/starknet_integration_tests/src/config_utils.rs
@@ -60,7 +60,6 @@ pub(crate) fn dump_config_file_changes(
         required_params.eth_fee_token_address,
         required_params.strk_fee_token_address,
         required_params.validator_id,
-        config.rpc_state_reader_config.json_rpc_version,
         config.rpc_state_reader_config.url,
         config.batcher_config.storage.db_config.path_prefix,
         config.http_server_config.ip,
diff --git a/crates/starknet_integration_tests/src/utils.rs b/crates/starknet_integration_tests/src/utils.rs
index f54e7a4d61..0afe826368 100644
--- a/crates/starknet_integration_tests/src/utils.rs
+++ b/crates/starknet_integration_tests/src/utils.rs
@@ -128,11 +128,7 @@ pub fn create_consensus_manager_configs_and_channels(
 pub fn test_rpc_state_reader_config(rpc_server_addr: SocketAddr) -> RpcStateReaderConfig {
     // TODO(Tsabary): get the latest version from the RPC crate.
     const RPC_SPEC_VERSION: &str = "V0_8";
-    const JSON_RPC_VERSION: &str = "2.0";
-    RpcStateReaderConfig {
-        url: format!("http://{rpc_server_addr:?}/rpc/{RPC_SPEC_VERSION}"),
-        json_rpc_version: JSON_RPC_VERSION.to_string(),
-    }
+    RpcStateReaderConfig::from_url(format!("http://{rpc_server_addr:?}/rpc/{RPC_SPEC_VERSION}"))
 }
 
 /// Creates a multi-account transaction generator for integration tests.