diff --git a/Cargo.lock b/Cargo.lock
index be4e4cf0d5..57d1672814 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5385,11 +5385,14 @@ dependencies = [
  "jsonrpc-core",
  "node-primitives",
  "pallet-transaction-payment-rpc",
+ "sc-client-api",
  "sc-rpc",
  "sc-rpc-api",
  "sc-transaction-pool-api",
  "sp-api",
+ "sp-block-builder",
  "sp-blockchain",
+ "substrate-frame-rpc-system",
  "zenlink-protocol-rpc",
  "zenlink-protocol-runtime-api",
 ]
diff --git a/node/rpc/Cargo.toml b/node/rpc/Cargo.toml
index 7941d7471e..1d4af964b3 100644
--- a/node/rpc/Cargo.toml
+++ b/node/rpc/Cargo.toml
@@ -10,12 +10,15 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 jsonrpc-core = "15.1.0"
 node-primitives = { path = "../primitives" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 sc-rpc-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
+substrate-frame-rpc-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.10" }
 bifrost-flexible-fee-rpc = { path = "../../pallets/flexible-fee/rpc" }
 bifrost-flexible-fee-rpc-runtime-api = { path = "../../pallets/flexible-fee/rpc/runtime-api" }
 bifrost-salp-rpc-api = { path = "../../pallets/salp/rpc" }
diff --git a/node/rpc/src/lib.rs b/node/rpc/src/lib.rs
index c78280d7ed..b93639b676 100644
--- a/node/rpc/src/lib.rs
+++ b/node/rpc/src/lib.rs
@@ -39,12 +39,15 @@ use bifrost_liquidity_mining_rpc_api::{LiquidityMiningRpcApi, LiquidityMiningRpc
 use bifrost_liquidity_mining_rpc_runtime_api::LiquidityMiningRuntimeApi;
 use bifrost_salp_rpc_api::{SalpRpcApi, SalpRpcWrapper};
 use bifrost_salp_rpc_runtime_api::SalpRuntimeApi;
-use node_primitives::{AccountId, Balance, Block, ParaId, PoolId};
+use node_primitives::{AccountId, Balance, Block, Nonce, ParaId, PoolId};
 use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};
-pub use sc_rpc_api::DenyUnsafe;
+use sc_client_api::AuxStore;
+use sc_rpc_api::DenyUnsafe;
 use sc_transaction_pool_api::TransactionPool;
 use sp_api::ProvideRuntimeApi;
+use sp_block_builder::BlockBuilder;
 use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};
+use substrate_frame_rpc_system::{FullSystem, SystemApi};
 use zenlink_protocol_rpc::{ZenlinkProtocol, ZenlinkProtocolApi};
 use zenlink_protocol_runtime_api::ZenlinkProtocolApi as ZenlinkProtocolRuntimeApi;
 
@@ -67,20 +70,26 @@ pub type RpcExtension = jsonrpc_core::IoHandler<sc_rpc::Metadata>;
 #[allow(non_snake_case)]
 pub fn create_full<C, P>(deps: FullDeps<C, P>) -> RpcExtension
 where
-	C: ProvideRuntimeApi<Block>,
-	C: HeaderBackend<Block> + HeaderMetadata<Block, Error = BlockChainError>,
-	C: Send + Sync + 'static,
+	C: ProvideRuntimeApi<Block>
+		+ HeaderBackend<Block>
+		+ AuxStore
+		+ HeaderMetadata<Block, Error = BlockChainError>
+		+ Send
+		+ Sync
+		+ 'static,
 	C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,
+	C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Nonce>,
 	C::Api: FeeRuntimeApi<Block, AccountId>,
 	C::Api: SalpRuntimeApi<Block, ParaId, AccountId>,
 	C::Api: LiquidityMiningRuntimeApi<Block, AccountId, PoolId>,
 	C::Api: ZenlinkProtocolRuntimeApi<Block, AccountId>,
-	P: TransactionPool + 'static,
+	C::Api: BlockBuilder<Block>,
+	P: TransactionPool + Sync + Send + 'static,
 {
-	let FullDeps { client, .. } = deps;
-
-	let mut io = RpcExtension::default();
+	let mut io = jsonrpc_core::IoHandler::default();
+	let FullDeps { client, pool, deny_unsafe } = deps;
 
+	io.extend_with(SystemApi::to_delegate(FullSystem::new(client.clone(), pool, deny_unsafe)));
 	io.extend_with(TransactionPaymentApi::to_delegate(TransactionPayment::new(client.clone())));
 
 	io.extend_with(FeeRpcApi::to_delegate(FlexibleFeeStruct::new(client.clone())));
diff --git a/node/service/src/collator.rs b/node/service/src/collator.rs
index cd11c10df2..82cc2c8c01 100644
--- a/node/service/src/collator.rs
+++ b/node/service/src/collator.rs
@@ -35,7 +35,9 @@ use cumulus_client_service::{
 };
 use cumulus_primitives_core::ParaId;
 use node_primitives::PoolId;
-pub use node_primitives::{AccountId, Block, BlockNumber, Hash, Header, ParaId as BifrostParaId};
+pub use node_primitives::{
+	AccountId, Block, BlockNumber, Hash, Header, Nonce, ParaId as BifrostParaId,
+};
 use sc_client_api::ExecutorProvider;
 use sc_consensus::LongestChain;
 use sc_executor::NativeExecutionDispatch;
@@ -190,6 +192,7 @@ where
 	RuntimeApi::RuntimeApi:
 		RuntimeApiCollection<StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,
 	RuntimeApi::RuntimeApi: sp_consensus_aura::AuraApi<Block, AuraId>,
+	RuntimeApi::RuntimeApi: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Nonce>,
 	RuntimeApi::RuntimeApi: FeeRuntimeApi<Block, AccountId>,
 	RuntimeApi::RuntimeApi: SalpRuntimeApi<Block, BifrostParaId, AccountId>,
 	RuntimeApi::RuntimeApi: LiquidityMiningRuntimeApi<Block, AccountId, PoolId>,