diff --git a/catalyst-gateway/bin/src/service/api/v1/fragments_post.rs b/catalyst-gateway/bin/src/service/api/v1/fragments_post.rs
index cd44b22ebd4..d16b35aa9e8 100644
--- a/catalyst-gateway/bin/src/service/api/v1/fragments_post.rs
+++ b/catalyst-gateway/bin/src/service/api/v1/fragments_post.rs
@@ -30,6 +30,7 @@ pub(crate) type AllResponses = response! {
 /// * 500 Server Error - If anything within this function fails unexpectedly. (Possible
 ///   but unlikely)
 /// * 503 Service Unavailable - Service is possibly not running reliably.
+#[allow(clippy::unused_async)]
 pub(crate) async fn endpoint(_fragments_batch: FragmentsBatch) -> AllResponses {
     T200(OK(Json(FragmentsProcessingSummary::default())))
 }
diff --git a/catalyst-gateway/bin/src/service/api/v1/fragments_statuses.rs b/catalyst-gateway/bin/src/service/api/v1/fragments_statuses.rs
index 00f0e1285b4..3ecfb42ba4a 100644
--- a/catalyst-gateway/bin/src/service/api/v1/fragments_statuses.rs
+++ b/catalyst-gateway/bin/src/service/api/v1/fragments_statuses.rs
@@ -13,6 +13,7 @@ use crate::service::common::{
     },
 };
 
+/// Comma-separated (no spaces in between) list of fragment IDs.
 #[derive(poem_openapi::NewType)]
 pub(crate) struct FragmentIds(String);
 
@@ -33,6 +34,7 @@ pub(crate) type AllResponses = response! {
 /// * 500 Server Error - If anything within this function fails unexpectedly. (Possible
 ///   but unlikely)
 /// * 503 Service Unavailable - Service is possibly not running reliably.
+#[allow(clippy::unused_async)]
 pub(crate) async fn endpoint(_fragment_ids: FragmentIds) -> AllResponses {
     T200(OK(Json(HashMap::new())))
 }
diff --git a/catalyst-gateway/bin/src/service/common/objects/block.rs b/catalyst-gateway/bin/src/service/common/objects/block.rs
index 516bb69359b..6ec83154e5a 100644
--- a/catalyst-gateway/bin/src/service/common/objects/block.rs
+++ b/catalyst-gateway/bin/src/service/common/objects/block.rs
@@ -1,3 +1,5 @@
+//! Defines API schemas of block related types.
+
 use poem_openapi::{types::Example, NewType, Object};
 
 #[derive(NewType)]
diff --git a/catalyst-gateway/bin/src/service/common/objects/fragment_status.rs b/catalyst-gateway/bin/src/service/common/objects/fragment_status.rs
index 8318b7b54bb..da051c82f4e 100644
--- a/catalyst-gateway/bin/src/service/common/objects/fragment_status.rs
+++ b/catalyst-gateway/bin/src/service/common/objects/fragment_status.rs
@@ -1,3 +1,5 @@
+//! Defines API schemas of fragment status types.
+
 use poem_openapi::{types::Example, Object, Union};
 
 use crate::service::common::objects::{block::BlockDate, hash::Hash};
@@ -27,7 +29,9 @@ impl Example for StatusRejected {
 #[oai(example = true)]
 /// Fragment is included in a block.
 pub(crate) struct StatusInABlock {
+    /// Block date at which the fragment was included in a block.
     pub date: BlockDate,
+    /// Hash of the block the fragment was included in.
     pub block: Hash,
 }
 
@@ -44,7 +48,10 @@ impl Example for StatusInABlock {
 #[oai(one_of = true)]
 /// Possible fragment statuses.
 pub(crate) enum FragmentStatus {
+    /// Fragment is pending inclusion in a block.
     Pending(StatusPending),
+    /// Fragment was rejected.
     Rejected(StatusRejected),
+    /// Fragment was included in a block.
     InABlock(StatusInABlock),
 }
diff --git a/catalyst-gateway/bin/src/service/common/objects/fragments_batch.rs b/catalyst-gateway/bin/src/service/common/objects/fragments_batch.rs
index f4768199bf7..fc1457f11fd 100644
--- a/catalyst-gateway/bin/src/service/common/objects/fragments_batch.rs
+++ b/catalyst-gateway/bin/src/service/common/objects/fragments_batch.rs
@@ -1,3 +1,5 @@
+//! Defines API schemas for fragment batch types.
+
 use poem_openapi::{types::Example, NewType, Object};
 use serde::Deserialize;
 
diff --git a/catalyst-gateway/bin/src/service/common/objects/hash.rs b/catalyst-gateway/bin/src/service/common/objects/hash.rs
index ad2cf302fcd..55d99cf44d8 100644
--- a/catalyst-gateway/bin/src/service/common/objects/hash.rs
+++ b/catalyst-gateway/bin/src/service/common/objects/hash.rs
@@ -1,3 +1,5 @@
+//! Defines API schemas for hash types.
+
 use poem_openapi::{types::Example, Object};
 
 #[derive(Object)]