diff --git a/Cargo.lock b/Cargo.lock
index dbb6be2642..9c06203059 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8218,6 +8218,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "katana-grpc"
+version = "1.0.0"
+dependencies = [
+ "tonic 0.11.0",
+ "tonic-build 0.11.0",
+ "tonic-build 0.12.3",
+]
+
 [[package]]
 name = "katana-node"
 version = "1.0.0"
diff --git a/Cargo.toml b/Cargo.toml
index c6c6bc8659..b22e0bf8c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,7 @@ members = [
 	"crates/katana/controller",
 	"crates/katana/core",
 	"crates/katana/executor",
+	"crates/katana/grpc",
 	"crates/katana/node",
 	"crates/katana/node-bindings",
 	"crates/katana/pipeline",
@@ -179,8 +180,8 @@ jsonrpsee = { version = "0.16.2", default-features = false }
 lazy_static = "1.4.0"
 log = "0.4.21"
 metrics = "0.23.0"
-num-traits = { version = "0.2", default-features = false }
 num-bigint = "0.4.3"
+num-traits = { version = "0.2", default-features = false }
 once_cell = "1.0"
 parking_lot = "0.12.1"
 postcard = { version = "1.0.10", features = [ "use-std" ], default-features = false }
diff --git a/crates/katana/grpc/Cargo.toml b/crates/katana/grpc/Cargo.toml
new file mode 100644
index 0000000000..97de5ad6f5
--- /dev/null
+++ b/crates/katana/grpc/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+edition.workspace = true
+license-file.workspace = true
+name = "katana-grpc"
+repository.workspace = true
+version.workspace = true
+
+[dependencies]
+tonic.workspace = true
+
+[dev-dependencies]
+
+[build-dependencies]
+tonic-build.workspace = true
+wasm-tonic-build.workspace = true
diff --git a/crates/katana/grpc/build.rs b/crates/katana/grpc/build.rs
new file mode 100644
index 0000000000..361736f8b9
--- /dev/null
+++ b/crates/katana/grpc/build.rs
@@ -0,0 +1,18 @@
+use std::path::PathBuf;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let out_dir =
+        PathBuf::from(std::env::var("OUT_DIR").expect("OUT_DIR environment variable not set"));
+    let feature_client = std::env::var("CARGO_FEATURE_CLIENT");
+    let feature_server = std::env::var("CARGO_FEATURE_SERVER");
+
+    tonic_build::configure()
+        .build_server(feature_server.is_ok())
+        .build_client(feature_client.is_ok())
+        .file_descriptor_set_path(out_dir.join("starknet_descriptor.bin"))
+        .compile(&["proto/starknet.proto"], &["proto"])?;
+
+    println!("cargo:rerun-if-changed=proto");
+
+    Ok(())
+}
diff --git a/crates/katana/grpc/proto/starknet.proto b/crates/katana/grpc/proto/starknet.proto
new file mode 100644
index 0000000000..12e3265110
--- /dev/null
+++ b/crates/katana/grpc/proto/starknet.proto
@@ -0,0 +1,268 @@
+syntax = "proto3";
+
+package starknet;
+
+import "types.proto";
+
+// The Starknet service provides methods for interacting with Starknet.
+service Starknet {
+    // Returns the version of the Starknet JSON-RPC specification being used
+    rpc SpecVersion(SpecVersionRequest) returns (SpecVersionResponse);
+
+    // Get block information with transaction hashes given the block id
+    rpc GetBlockWithTxHashes(GetBlockRequest) returns (GetBlockWithTxHashesResponse);
+
+    // Get block information with full transactions given the block id
+    rpc GetBlockWithTxs(GetBlockRequest) returns (GetBlockWithTxsResponse);
+
+    // Get block information with full transactions and receipts given the block id
+    rpc GetBlockWithReceipts(GetBlockRequest) returns (GetBlockWithReceiptsResponse);
+
+    // Get the information about the result of executing the requested block
+    rpc GetStateUpdate(GetBlockRequest) returns (GetStateUpdateResponse);
+
+    // Get the value of the storage at the given address and key
+    rpc GetStorageAt(GetStorageAtRequest) returns (GetStorageAtResponse);
+
+    // Gets the transaction status
+    rpc GetTransactionStatus(GetTransactionStatusRequest) returns (GetTransactionStatusResponse);
+
+    // Get the details and status of a submitted transaction
+    rpc GetTransactionByHash(GetTransactionByHashRequest) returns (GetTransactionByHashResponse);
+
+    // Get the details of a transaction by a given block id and index
+    rpc GetTransactionByBlockIdAndIndex(GetTransactionByBlockIdAndIndexRequest) returns (GetTransactionByBlockIdAndIndexResponse);
+
+    // Get the transaction receipt by the transaction hash
+    rpc GetTransactionReceipt(GetTransactionReceiptRequest) returns (GetTransactionReceiptResponse);
+
+    // Get the contract class definition in the given block associated with the given hash
+    rpc GetClass(GetClassRequest) returns (GetClassResponse);
+
+    // Get the contract class hash in the given block for the contract deployed at the given address
+    rpc GetClassHashAt(GetClassHashAtRequest) returns (GetClassHashAtResponse);
+
+    // Get the contract class definition in the given block at the given address
+    rpc GetClassAt(GetClassAtRequest) returns (GetClassAtResponse);
+
+    // Get the number of transactions in a block given a block id
+    rpc GetBlockTransactionCount(GetBlockRequest) returns (GetBlockTransactionCountResponse);
+
+    // Call a starknet function without creating a Starknet transaction
+    rpc Call(CallRequest) returns (CallResponse);
+
+    // Estimate the fee for Starknet transactions
+    rpc EstimateFee(EstimateFeeRequest) returns (EstimateFeeResponse);
+
+    // Estimate the L2 fee of a message sent on L1
+    rpc EstimateMessageFee(EstimateMessageFeeRequest) returns (EstimateFeeResponse);
+
+    // Get the most recent accepted block number
+    rpc BlockNumber(BlockNumberRequest) returns (BlockNumberResponse);
+
+    // Get the most recent accepted block hash and number
+    rpc BlockHashAndNumber(BlockHashAndNumberRequest) returns (BlockHashAndNumberResponse);
+
+    // Return the currently configured Starknet chain id
+    rpc ChainId(ChainIdRequest) returns (ChainIdResponse);
+
+    // Returns an object about the sync status, or false if the node is not synching
+    rpc Syncing(SyncingRequest) returns (SyncingResponse);
+
+    // Returns all events matching the given filter
+    rpc GetEvents(GetEventsRequest) returns (GetEventsResponse);
+
+    // Get the nonce associated with the given address in the given block
+    rpc GetNonce(GetNonceRequest) returns (GetNonceResponse);
+}
+
+message SpecVersionRequest {}
+
+message SpecVersionResponse {
+    string version = 1;
+}
+
+message GetBlockRequest {
+    types.BlockID block_id = 1;
+}
+
+message GetBlockWithTxHashesResponse {
+    oneof result {
+        types.BlockWithTxHashes block = 1;
+        types.PendingBlockWithTxHashes pending_block = 2;
+    }
+}
+
+message GetBlockWithTxsResponse {
+    oneof result {
+        types.BlockWithTxs block = 1;
+        types.PendingBlockWithTxs pending_block = 2;
+    }
+}
+
+message GetBlockWithReceiptsResponse {
+    oneof result {
+        types.BlockWithReceipts block = 1;
+        types.PendingBlockWithReceipts pending_block = 2;
+    }
+}
+
+message GetStateUpdateResponse {
+    oneof result {
+        types.StateUpdate state_update = 1;
+        types.PendingStateUpdate pending_state_update = 2;
+    }
+}
+
+message GetStorageAtRequest {
+    types.BlockID block_id = 1;
+    types.Felt contract_address = 2;
+    types.Felt key = 3;
+}
+
+message GetStorageAtResponse {
+    types.Felt value = 1;
+}
+
+message GetTransactionStatusRequest {
+    types.Felt transaction_hash = 1;
+}
+
+message GetTransactionStatusResponse {
+    string finality_status = 1;
+    string execution_status = 2;
+}
+
+message GetTransactionByHashRequest {
+    types.Felt transaction_hash = 1;
+}
+
+message GetTransactionByHashResponse {
+    types.Transaction transaction = 1;
+}
+
+message GetTransactionByBlockIdAndIndexRequest {
+    types.BlockID block_id = 1;
+    uint64 index = 2;
+}
+
+message GetTransactionByBlockIdAndIndexResponse {
+    types.Transaction transaction = 1;
+}
+
+message GetTransactionReceiptRequest {
+    types.Felt transaction_hash = 1;
+}
+
+message GetTransactionReceiptResponse {
+    types.TransactionReceipt receipt = 1;
+}
+
+message GetClassRequest {
+    types.BlockID block_id = 1;
+    types.Felt class_hash = 2;
+}
+
+message GetClassResponse {
+    oneof result {
+        types.DeprecatedContractClass deprecated_contract_class = 1;
+        types.ContractClass contract_class = 2;
+    }
+}
+
+message GetClassHashAtRequest {
+    types.BlockID block_id = 1;
+    types.Felt contract_address = 2;
+}
+
+message GetClassHashAtResponse {
+    types.Felt class_hash = 1;
+}
+
+message GetClassAtRequest {
+    types.BlockID block_id = 1;
+    types.Felt contract_address = 2;
+}
+
+message GetClassAtResponse {
+    oneof result {
+        types.DeprecatedContractClass deprecated_contract_class = 1;
+        types.ContractClass contract_class = 2;
+    }
+}
+
+message GetBlockTransactionCountResponse {
+    uint64 count = 1;
+}
+
+message CallRequest {
+    types.FunctionCall request = 1;
+    types.BlockID block_id = 2;
+}
+
+message CallResponse {
+    repeated types.Felt result = 1;
+}
+
+message EstimateFeeRequest {
+    repeated types.Transaction transactions = 1;
+    repeated string simulation_flags = 2;
+    types.BlockID block_id = 3;
+}
+
+message EstimateFeeResponse {
+  repeated types.FeeEstimate estimates = 1;
+}
+
+message EstimateMessageFeeRequest {
+    types.MessageFromL1 message = 1;
+    types.BlockID block_id = 2;
+}
+
+message BlockNumberRequest {}
+
+message BlockNumberResponse {
+    uint64 block_number = 1;
+}
+
+message BlockHashAndNumberRequest {}
+
+message BlockHashAndNumberResponse {
+    types.Felt block_hash = 1;
+    uint64 block_number = 2;
+}
+
+message ChainIdRequest {}
+
+message ChainIdResponse {
+    string chain_id = 1;
+}
+
+message SyncingRequest {}
+
+message SyncingResponse {
+    oneof result {
+        bool not_syncing = 1;
+        types.SyncStatus status = 2;
+    }
+}
+
+message GetEventsRequest {
+    types.EventFilter filter = 1;
+    uint32 chunk_size = 2;
+    string continuation_token = 3;
+}
+
+message GetEventsResponse {
+    repeated types.EmittedEvent events = 1;
+    string continuation_token = 2;
+}
+
+message GetNonceRequest {
+    types.BlockID block_id = 1;
+    types.Felt contract_address = 2;
+}
+
+message GetNonceResponse {
+    types.Felt nonce = 1;
+}
diff --git a/crates/katana/grpc/proto/types.proto b/crates/katana/grpc/proto/types.proto
new file mode 100644
index 0000000000..ef07757c92
--- /dev/null
+++ b/crates/katana/grpc/proto/types.proto
@@ -0,0 +1,366 @@
+syntax = "proto3";
+
+package types;
+
+message Felt {
+  bytes value = 1;
+}
+
+message BlockID {
+  oneof identifier {
+    uint64 number = 1 [json_name = "block_number"];
+    Felt hash = 2 [json_name = "block_hash"];
+    string tag = 3 [json_name = "block_tag"];
+  }
+}
+
+enum SimulationFlag {
+  SKIP_FEE_CHARGE = 0;
+  SKIP_EXECUTE = 1;
+  SKIP_VALIDATE = 2;
+}
+
+message Transaction {
+  oneof transaction {
+    InvokeTxnV1 invoke_v1 = 1;
+    InvokeTxnV3 invoke_v3 = 2;
+    DeclareTxnV1 declare_v1 = 3;
+    DeclareTxnV2 declare_v2 = 4;
+    DeclareTxnV3 declare_v3 = 5;
+    DeployAccountTxn deploy_account = 6;
+    DeployAccountTxnV3 deploy_account_v3 = 7;
+  }
+}
+
+message InvokeTxnV1 {
+  Felt max_fee = 1 [json_name = "max_fee"];
+  string version = 2 [json_name = "version"];
+  repeated Felt signature = 3 [json_name = "signature"];
+  Felt nonce = 4 [json_name = "nonce"];
+  string type = 5 [json_name = "type"];
+  Felt sender_address = 6 [json_name = "sender_address"];
+  repeated Felt calldata = 7 [json_name = "calldata"];
+}
+
+message InvokeTxnV3 {
+  string type = 1 [json_name = "type"];
+  Felt sender_address = 2 [json_name = "sender_address"];
+  repeated Felt calldata = 3 [json_name = "calldata"];
+  string version = 4 [json_name = "version"];
+  repeated Felt signature = 5 [json_name = "signature"];
+  Felt nonce = 6 [json_name = "nonce"];
+  ResourceBoundsMapping resource_bounds = 7 [json_name = "resource_bounds"];
+  Felt tip = 8 [json_name = "tip"];
+  repeated Felt paymaster_data = 9 [json_name = "paymaster_data"];
+  repeated Felt account_deployment_data = 10 [json_name = "account_deployment_data"];
+  string nonce_data_availability_mode = 11 [json_name = "nonce_data_availability_mode"];
+  string fee_data_availability_mode = 12 [json_name = "fee_data_availability_mode"];
+}
+
+message DeclareTxnV1 {
+  Felt max_fee = 1 [json_name = "max_fee"];
+  string version = 2 [json_name = "version"];
+  repeated Felt signature = 3 [json_name = "signature"];
+  Felt nonce = 4 [json_name = "nonce"];
+  string type = 5 [json_name = "type"];
+  Felt class_hash = 6 [json_name = "class_hash"];
+  Felt sender_address = 7 [json_name = "sender_address"];
+}
+
+message DeclareTxnV2 {
+  string type = 1 [json_name = "type"];
+  Felt sender_address = 2 [json_name = "sender_address"];
+  Felt compiled_class_hash = 3 [json_name = "compiled_class_hash"];
+  Felt max_fee = 4 [json_name = "max_fee"];
+  string version = 5 [json_name = "version"];
+  repeated Felt signature = 6 [json_name = "signature"];
+  Felt nonce = 7 [json_name = "nonce"];
+  bytes class = 8 [json_name = "contract_class"];
+}
+
+message DeclareTxnV3 {
+  string type = 1 [json_name = "type"];
+  Felt sender_address = 2 [json_name = "sender_address"];
+  Felt compiled_class_hash = 3 [json_name = "compiled_class_hash"];
+  string version = 4 [json_name = "version"];
+  repeated Felt signature = 5 [json_name = "signature"];
+  Felt nonce = 6 [json_name = "nonce"];
+  Felt class_hash = 7 [json_name = "class_hash"];
+  ResourceBoundsMapping resource_bounds = 8 [json_name = "resource_bounds"];
+  Felt tip = 9 [json_name = "tip"];
+  repeated Felt paymaster_data = 10 [json_name = "paymaster_data"];
+  repeated Felt account_deployment_data = 11 [json_name = "account_deployment_data"];
+  string nonce_data_availability_mode = 12 [json_name = "nonce_data_availability_mode"];
+  string fee_data_availability_mode = 13 [json_name = "fee_data_availability_mode"];
+}
+
+message DeployAccountTxn {
+  Felt max_fee = 1 [json_name = "max_fee"];
+  string version = 2 [json_name = "version"];
+  repeated Felt signature = 3 [json_name = "signature"];
+  Felt nonce = 4 [json_name = "nonce"];
+  string type = 5 [json_name = "type"];
+  Felt class_hash = 6 [json_name = "class_hash"];
+  Felt contract_address_salt = 7 [json_name = "contract_address_salt"];
+  repeated Felt constructor_calldata = 8 [json_name = "constructor_calldata"];
+}
+
+message DeployAccountTxnV3 {
+  string type = 1 [json_name = "type"];
+  string version = 2 [json_name = "version"];
+  repeated Felt signature = 3 [json_name = "signature"];
+  Felt nonce = 4 [json_name = "nonce"];
+  Felt contract_address_salt = 5 [json_name = "contract_address_salt"];
+  repeated Felt constructor_calldata = 6 [json_name = "constructor_calldata"];
+  Felt class_hash = 7 [json_name = "class_hash"];
+  ResourceBoundsMapping resource_bounds = 8 [json_name = "resource_bounds"];
+  Felt tip = 9 [json_name = "tip"];
+  repeated Felt paymaster_data = 10 [json_name = "paymaster_data"];
+  string nonce_data_availability_mode = 11 [json_name = "nonce_data_availability_mode"];
+  string fee_data_availability_mode = 12 [json_name = "fee_data_availability_mode"];
+}
+
+message ResourceBoundsMapping {
+  ResourceBounds l1_gas = 1 [json_name = "L1_GAS"];
+  ResourceBounds l2_gas = 2 [json_name = "L2_GAS"];
+}
+
+message ResourceBounds {
+  Felt max_amount = 1 [json_name = "max_amount"];
+  Felt max_price_per_unit = 2 [json_name = "max_price_per_unit"];
+}
+
+message FeeEstimate {
+  Felt gas_consumed = 1 [json_name = "gas_consumed"];
+  Felt gas_price = 2 [json_name = "gas_price"];
+  Felt data_gas_consumed = 3 [json_name = "data_gas_consumed"];
+  Felt data_gas_price = 4 [json_name = "data_gas_price"];
+  Felt overall_fee = 5 [json_name = "overall_fee"];
+  string unit = 6 [json_name = "unit"];
+}
+
+message BlockWithTxHashes {
+    string status = 1;
+    BlockHeader header = 2;
+    repeated Felt transactions = 3;
+}
+
+message BlockWithTxs {
+    string status = 1;
+    BlockHeader header = 2;
+    repeated Transaction transactions = 3;
+}
+
+message BlockWithReceipts {
+    string status = 1;
+    BlockHeader header = 2;
+    repeated TransactionWithReceipt transactions = 3;
+}
+
+message PendingBlockWithTxHashes {
+    BlockHeader header = 1;
+    repeated Felt transactions = 2;
+}
+
+message PendingBlockWithTxs {
+    BlockHeader header = 1;
+    repeated Transaction transactions = 2;
+}
+
+message PendingBlockWithReceipts {
+    BlockHeader header = 1;
+    repeated TransactionWithReceipt transactions = 2;
+}
+
+message StateUpdate {
+    Felt block_hash = 1;
+    Felt old_root = 2;
+    Felt new_root = 3;
+    StateDiff state_diff = 4;
+}
+
+message PendingStateUpdate {
+    Felt old_root = 1;
+    StateDiff state_diff = 2;
+}
+
+message StateDiff {
+    repeated StorageDiff storage_diffs = 1;
+    repeated Felt deprecated_declared_classes = 2;
+    repeated DeclaredClass declared_classes = 3;
+    repeated DeployedContract deployed_contracts = 4;
+    repeated ReplacedClass replaced_classes = 5;
+    repeated Nonce nonces = 6;
+}
+
+message StorageDiff {
+    Felt address = 1;
+    repeated StorageEntry storage_entries = 2;
+}
+
+message StorageEntry {
+    Felt key = 1;
+    Felt value = 2;
+}
+
+message DeclaredClass {
+    Felt class_hash = 1;
+    Felt compiled_class_hash = 2;
+}
+
+message DeployedContract {
+    Felt address = 1;
+    Felt class_hash = 2;
+}
+
+message ReplacedClass {
+    Felt contract_address = 1;
+    Felt class_hash = 2;
+}
+
+message Nonce {
+    Felt contract_address = 1;
+    Felt nonce = 2;
+}
+
+message BlockHeader {
+    Felt block_hash = 1;
+    Felt parent_hash = 2;
+    uint64 block_number = 3;
+    Felt new_root = 4;
+    uint64 timestamp = 5;
+    Felt sequencer_address = 6;
+    ResourcePrice l1_gas_price = 7;
+    ResourcePrice l1_data_gas_price = 8;
+    string l1_da_mode = 9;
+    string starknet_version = 10;
+}
+
+message ResourcePrice {
+    Felt price_in_wei = 1;
+    Felt price_in_fri = 2;
+}
+
+message TransactionWithReceipt {
+    Transaction transaction = 1;
+    TransactionReceipt receipt = 2;
+}
+
+message TransactionReceipt {
+    string type = 1;
+    Felt transaction_hash = 2;
+    FeePayment actual_fee = 3;
+    string finality_status = 4;
+    repeated MessageToL1 messages_sent = 5;
+    repeated Event events = 6;
+    ExecutionResources execution_resources = 7;
+    string execution_status = 8;
+    string revert_reason = 9;
+}
+
+message FeePayment {
+    Felt amount = 1;
+    string unit = 2;
+}
+
+message MessageToL1 {
+    Felt from_address = 1;
+    Felt to_address = 2;
+    repeated Felt payload = 3;
+}
+
+message Event {
+    Felt from_address = 1;
+    repeated Felt keys = 2;
+    repeated Felt data = 3;
+}
+
+message ExecutionResources {
+    uint64 steps = 1;
+    uint64 memory_holes = 2;
+    uint64 range_check_builtin_applications = 3;
+    uint64 pedersen_builtin_applications = 4;
+    uint64 poseidon_builtin_applications = 5;
+    uint64 ec_op_builtin_applications = 6;
+    uint64 ecdsa_builtin_applications = 7;
+    uint64 bitwise_builtin_applications = 8;
+    uint64 keccak_builtin_applications = 9;
+    uint64 segment_arena_builtin = 10;
+    DataAvailability data_availability = 11;
+}
+
+message DataAvailability {
+    uint64 l1_gas = 1;
+    uint64 l1_data_gas = 2;
+}
+
+message FunctionCall {
+    Felt contract_address = 1;
+    Felt entry_point_selector = 2;
+    repeated Felt calldata = 3;
+}
+
+message MessageFromL1 {
+    string from_address = 1;
+    Felt to_address = 2;
+    Felt entry_point_selector = 3;
+    repeated Felt payload = 4;
+}
+
+message EmittedEvent {
+    Event event = 1;
+    Felt block_hash = 2;
+    uint64 block_number = 3;
+    Felt transaction_hash = 4;
+}
+
+message EventFilter {
+    BlockID from_block = 1;
+    BlockID to_block = 2;
+    Felt address = 3;
+    repeated Felt keys = 4;
+}
+
+message SyncStatus {
+    Felt starting_block_hash = 1;
+    uint64 starting_block_num = 2;
+    Felt current_block_hash = 3;
+    uint64 current_block_num = 4;
+    Felt highest_block_hash = 5;
+    uint64 highest_block_num = 6;
+}
+
+message ContractClass {
+    repeated Felt sierra_program = 1;
+    string contract_class_version = 2;
+    EntryPointsByType entry_points_by_type = 3;
+    string abi = 4;
+}
+
+message DeprecatedContractClass {
+    string program = 1;
+    DeprecatedEntryPointsByType entry_points_by_type = 2;
+    string abi = 3;
+}
+
+message EntryPointsByType {
+    repeated SierraEntryPoint constructor = 1;
+    repeated SierraEntryPoint external = 2;
+    repeated SierraEntryPoint l1_handler = 3;
+}
+
+message DeprecatedEntryPointsByType {
+    repeated DeprecatedCairoEntryPoint constructor = 1;
+    repeated DeprecatedCairoEntryPoint external = 2;
+    repeated DeprecatedCairoEntryPoint l1_handler = 3;
+}
+
+message SierraEntryPoint {
+    Felt selector = 1;
+    uint64 function_idx = 2;
+}
+
+message DeprecatedCairoEntryPoint {
+    string offset = 1;
+    Felt selector = 2;
+}
diff --git a/crates/katana/grpc/src/lib.rs b/crates/katana/grpc/src/lib.rs
new file mode 100644
index 0000000000..d0dd5a0e60
--- /dev/null
+++ b/crates/katana/grpc/src/lib.rs
@@ -0,0 +1 @@
+//! gRPC implementations.