diff --git a/crates/tx-cache/Cargo.toml b/crates/tx-cache/Cargo.toml
index 3be91014..fdfc817c 100644
--- a/crates/tx-cache/Cargo.toml
+++ b/crates/tx-cache/Cargo.toml
@@ -17,13 +17,14 @@ signet-types.workspace = true
 
 alloy.workspace = true
 
-eyre.workspace = true
 reqwest.workspace = true
 serde = { workspace = true, features = ["derive"] }
 tracing.workspace = true
 uuid = { workspace = true, features = ["serde"] }
+thiserror.workspace = true
+url = "2.5.7"
 
 [dev-dependencies]
 serde_urlencoded = "0.7.1"
 uuid = { workspace = true, features = ["serde", "v4"] }
-serde_json.workspace = true
\ No newline at end of file
+serde_json.workspace = true
diff --git a/crates/tx-cache/src/client.rs b/crates/tx-cache/src/client.rs
index b4f033d0..9e9ca17c 100644
--- a/crates/tx-cache/src/client.rs
+++ b/crates/tx-cache/src/client.rs
@@ -1,9 +1,9 @@
+use crate::error::Result;
 use crate::types::{
     CacheObject, CacheResponse, OrderKey, TxCacheOrdersResponse, TxCacheSendBundleResponse,
     TxCacheSendTransactionResponse, TxCacheTransactionsResponse, TxKey,
 };
 use alloy::consensus::TxEnvelope;
-use eyre::Error;
 use serde::{de::DeserializeOwned, Serialize};
 use signet_bundle::SignetEthBundle;
 use signet_constants::parmigiana;
@@ -39,7 +39,7 @@ impl TxCache {
     }
 
     /// Create a new cache given a string URL.
-    pub fn new_from_string(url: &str) -> Result<Self, Error> {
+    pub fn new_from_string(url: &str) -> Result<Self> {
         let url = reqwest::Url::parse(url)?;
         Ok(Self::new(url))
     }
@@ -88,7 +88,7 @@ impl TxCache {
         &self,
         join: &'static str,
         obj: T,
-    ) -> Result<R, Error> {
+    ) -> Result<R> {
         self.forward_inner_raw(join, obj)
             .await?
             .json::<R>()
@@ -101,7 +101,7 @@ impl TxCache {
         &self,
         join: &'static str,
         obj: T,
-    ) -> Result<reqwest::Response, Error> {
+    ) -> Result<reqwest::Response> {
         // Append the path to the URL.
         let url = self
             .url
@@ -112,7 +112,7 @@ impl TxCache {
         self.client.post(url).json(&obj).send().await?.error_for_status().map_err(Into::into)
     }
 
-    async fn get_inner<T>(&self, join: &'static str, query: Option<T::Key>) -> Result<T, Error>
+    async fn get_inner<T>(&self, join: &'static str, query: Option<T::Key>) -> Result<T>
     where
         T: DeserializeOwned + CacheObject,
     {
@@ -137,7 +137,7 @@ impl TxCache {
     pub async fn forward_raw_transaction(
         &self,
         tx: TxEnvelope,
-    ) -> Result<TxCacheSendTransactionResponse, Error> {
+    ) -> Result<TxCacheSendTransactionResponse> {
         self.forward_inner(TRANSACTIONS, tx).await
     }
 
@@ -146,13 +146,13 @@ impl TxCache {
     pub async fn forward_bundle(
         &self,
         bundle: SignetEthBundle,
-    ) -> Result<TxCacheSendBundleResponse, Error> {
+    ) -> Result<TxCacheSendBundleResponse> {
         self.forward_inner(BUNDLES, bundle).await
     }
 
     /// Forward an order to the URL.
     #[instrument(skip_all)]
-    pub async fn forward_order(&self, order: SignedOrder) -> Result<(), Error> {
+    pub async fn forward_order(&self, order: SignedOrder) -> Result<()> {
         self.forward_inner_raw(ORDERS, order).await.map(drop)
     }
 
@@ -161,7 +161,7 @@ impl TxCache {
     pub async fn get_transactions(
         &self,
         query: Option<TxKey>,
-    ) -> Result<CacheResponse<TxCacheTransactionsResponse>, Error> {
+    ) -> Result<CacheResponse<TxCacheTransactionsResponse>> {
         self.get_inner(TRANSACTIONS, query).await
     }
 
@@ -170,7 +170,7 @@ impl TxCache {
     pub async fn get_orders(
         &self,
         query: Option<OrderKey>,
-    ) -> Result<CacheResponse<TxCacheOrdersResponse>, Error> {
+    ) -> Result<CacheResponse<TxCacheOrdersResponse>> {
         self.get_inner(ORDERS, query).await
     }
 }
diff --git a/crates/tx-cache/src/error.rs b/crates/tx-cache/src/error.rs
new file mode 100644
index 00000000..2df04e24
--- /dev/null
+++ b/crates/tx-cache/src/error.rs
@@ -0,0 +1,35 @@
+/// Result type for [`TxCache`] operations.
+///
+/// [`TxCache`]: crate::client::TxCache
+pub type Result<T> = std::result::Result<T, TxCacheError>;
+
+/// Errors returned by the [`TxCache`] client.
+///
+/// [`TxCache`]: crate::client::TxCache
+#[derive(thiserror::Error, Debug)]
+pub enum TxCacheError {
+    /// The requested transaction or bundle was not found in the cache.
+    #[error("Transaction not found in cache")]
+    NotFound,
+    /// The request was made during a slot that is not assigned to this builder.
+    #[error("Request occurred during a slot that is not assigned to this builder")]
+    NotOurSlot,
+
+    /// An error occurred while parsing the URL.
+    #[error(transparent)]
+    Url(#[from] url::ParseError),
+
+    /// An error occurred while contacting the TxCache API.
+    #[error("Error contacting TxCache API: {0}")]
+    Reqwest(reqwest::Error),
+}
+
+impl From<reqwest::Error> for TxCacheError {
+    fn from(err: reqwest::Error) -> Self {
+        match err.status() {
+            Some(reqwest::StatusCode::NOT_FOUND) => TxCacheError::NotFound,
+            Some(reqwest::StatusCode::FORBIDDEN) => TxCacheError::NotOurSlot,
+            _ => TxCacheError::Reqwest(err),
+        }
+    }
+}
diff --git a/crates/tx-cache/src/lib.rs b/crates/tx-cache/src/lib.rs
index 2b1fad12..815c260a 100644
--- a/crates/tx-cache/src/lib.rs
+++ b/crates/tx-cache/src/lib.rs
@@ -13,9 +13,14 @@
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
 /// The [`TxCache`] client.
-pub mod client;
+mod client;
+pub use client::TxCache;
 
 /// Response types for the [`TxCache`].
 ///
 /// [`TxCache`]: crate::client::TxCache
 pub mod types;
+
+/// Errors returned by the [`TxCache`] client.
+pub mod error;
+pub use error::TxCacheError;