diff --git a/Cargo.lock b/Cargo.lock
index 760fa984..4ab08a1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5593,6 +5593,7 @@ name = "starknet_mempool_types"
 version = "0.0.0"
 dependencies = [
  "async-trait",
+ "serde",
  "starknet_api",
  "starknet_mempool_infra",
  "thiserror",
diff --git a/crates/mempool_types/Cargo.toml b/crates/mempool_types/Cargo.toml
index e4284586..198db6d1 100644
--- a/crates/mempool_types/Cargo.toml
+++ b/crates/mempool_types/Cargo.toml
@@ -10,6 +10,7 @@ workspace = true
 
 [dependencies]
 async-trait.workspace = true
+serde.workspace = true
 starknet_api.workspace = true
 starknet_mempool_infra = { path = "../mempool_infra" }
 thiserror.workspace = true
diff --git a/crates/mempool_types/src/communication.rs b/crates/mempool_types/src/communication.rs
index d40096d5..e6253698 100644
--- a/crates/mempool_types/src/communication.rs
+++ b/crates/mempool_types/src/communication.rs
@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
 use async_trait::async_trait;
+use serde::{Deserialize, Serialize};
 use starknet_mempool_infra::component_client::{ClientError, ComponentClient};
 use starknet_mempool_infra::component_definitions::ComponentRequestAndResponseSender;
 use thiserror::Error;
@@ -23,13 +24,13 @@ pub trait MempoolClient: Send + Sync {
     async fn get_txs(&self, n_txs: usize) -> MempoolClientResult<Vec<ThinTransaction>>;
 }
 
-#[derive(Debug)]
+#[derive(Debug, Serialize, Deserialize)]
 pub enum MempoolRequest {
     AddTransaction(MempoolInput),
     GetTransactions(usize),
 }
 
-#[derive(Debug)]
+#[derive(Debug, Serialize, Deserialize)]
 pub enum MempoolResponse {
     AddTransaction(MempoolResult<()>),
     GetTransactions(MempoolResult<Vec<ThinTransaction>>),
diff --git a/crates/mempool_types/src/errors.rs b/crates/mempool_types/src/errors.rs
index d80281e7..a85115d5 100644
--- a/crates/mempool_types/src/errors.rs
+++ b/crates/mempool_types/src/errors.rs
@@ -1,7 +1,8 @@
+use serde::{Deserialize, Serialize};
 use starknet_api::transaction::TransactionHash;
 use thiserror::Error;
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, Serialize, Deserialize)]
 pub enum MempoolError {
     #[error("Duplicate transaction, with hash: {tx_hash}")]
     DuplicateTransaction { tx_hash: TransactionHash },
diff --git a/crates/mempool_types/src/mempool_types.rs b/crates/mempool_types/src/mempool_types.rs
index a8b6ed87..aad8d5bd 100644
--- a/crates/mempool_types/src/mempool_types.rs
+++ b/crates/mempool_types/src/mempool_types.rs
@@ -1,9 +1,10 @@
+use serde::{Deserialize, Serialize};
 use starknet_api::core::{ContractAddress, Nonce};
 use starknet_api::transaction::{Tip, TransactionHash};
 
 use crate::errors::MempoolError;
 
-#[derive(Clone, Debug, Default, Eq, PartialEq)]
+#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
 pub struct ThinTransaction {
     pub sender_address: ContractAddress,
     pub tx_hash: TransactionHash,
@@ -11,20 +12,20 @@ pub struct ThinTransaction {
     pub nonce: Nonce,
 }
 
-#[derive(Clone, Copy, Debug, Default)]
+#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize)]
 pub struct AccountState {
     pub nonce: Nonce,
     // TODO: add balance field when needed.
 }
 
-#[derive(Clone, Copy, Debug, Default)]
+#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize)]
 pub struct Account {
     // TODO(Ayelet): Consider removing this field as it is duplicated in ThinTransaction.
     pub sender_address: ContractAddress,
     pub state: AccountState,
 }
 
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Serialize, Deserialize)]
 pub struct MempoolInput {
     pub tx: ThinTransaction,
     pub account: Account,