diff --git a/server/src/lib.rs b/server/src/lib.rs
index f9fde03..8eaae8d 100644
--- a/server/src/lib.rs
+++ b/server/src/lib.rs
@@ -65,11 +65,12 @@ pub const INSTANCE_TAGS: [Tag; 3] = [
 pub fn dicomweb_config(cfg: &mut actix_web::web::ServiceConfig) {
     cfg.service(store_instances)
         .service(store_instances_for_study)
-        .service(search_studies)
-        .service(search_series)
+        .service(search_studies_all)
         .service(search_series_all)
-        .service(search_instances)
+        .service(search_series_study_level)
         .service(search_instances_all)
+        .service(search_instances_study_level)
+        .service(search_instances_series_level)
         .service(retrieve_instance)
         .service(retrieve_series)
         .service(retrieve_study);
diff --git a/server/src/qido.rs b/server/src/qido.rs
index 964c4d7..8ef8c59 100644
--- a/server/src/qido.rs
+++ b/server/src/qido.rs
@@ -21,7 +21,7 @@ pub struct QidoStudyQuery {
 }
 
 #[get("/studies")]
-pub async fn search_studies(
+pub async fn search_studies_all(
     callbacks: web::Data<DicomWebServer>,
     query: web::Query<QidoStudyQuery>,
 ) -> impl Responder {
@@ -56,7 +56,7 @@ pub struct QidoSeriesQuery {
 }
 
 #[get("/studies/{study_uid}/series")]
-pub async fn search_series(
+pub async fn search_series_study_level(
     callbacks: web::Data<DicomWebServer>,
     study_uid: web::Path<String>,
     query: web::Query<QidoSeriesQuery>,
@@ -81,6 +81,32 @@ pub async fn search_series(
     }
 }
 
+#[get("/studies/{study_uid}/instances")]
+pub async fn search_instances_study_level(
+    callbacks: web::Data<DicomWebServer>,
+    study_uid: web::Path<String>,
+    query: web::Query<QidoInstanceQuery>,
+) -> impl Responder {
+    let result = (callbacks.search_instances)(Some(&study_uid), None, &query);
+
+    match result {
+        Ok(dcm_list) => {
+            // Apply the offset and the filter
+            let filtered: Vec<InMemDicomObject> = dcm_list
+                .iter()
+                .skip(query.offset.unwrap_or(0))
+                .take(query.limit.unwrap_or(100))
+                .cloned()
+                .collect();
+
+            // Convert the results to JSON
+            let dcm_json = DicomJson::from(filtered);
+            HttpResponse::Ok().json(dcm_json)
+        }
+        Err(e) => HttpResponse::InternalServerError().body(e.to_string()),
+    }
+}
+
 #[get("/series")]
 pub async fn search_series_all(
     callbacks: web::Data<DicomWebServer>,
@@ -116,7 +142,7 @@ pub struct QidoInstanceQuery {
 }
 
 #[get("/studies/{study_uid}/series/{series_uid}/instances")]
-pub async fn search_instances(
+pub async fn search_instances_series_level(
     callbacks: web::Data<DicomWebServer>,
     study_uid: web::Path<String>,
     series_uid: web::Path<String>,
@@ -168,9 +194,10 @@ pub async fn search_instances_all(
 }
 
 pub fn qido_config(cfg: &mut web::ServiceConfig) {
-    cfg.service(search_studies)
-        .service(search_series)
+    cfg.service(search_studies_all)
         .service(search_series_all)
-        .service(search_instances)
-        .service(search_instances_all);
+        .service(search_series_study_level)
+        .service(search_instances_all)
+        .service(search_instances_study_level)
+        .service(search_instances_series_level);
 }