diff --git a/pom.xml b/pom.xml
index 49b91ca8a..705f4f467 100644
--- a/pom.xml
+++ b/pom.xml
@@ -451,6 +451,7 @@
                 <path>${basedir}/ramls/instance-ingress-event.json</path>
                 <path>${basedir}/ramls/tenantItemPair.json</path>
                 <path>${basedir}/ramls/tenantItemPairCollection.json</path>
+                <path>${basedir}/ramls/tenantItemResponse.json</path>
               </sourcePaths>
               <targetPackage>org.folio</targetPackage>
               <generateBuilders>true</generateBuilders>
diff --git a/ramls/tenantItemResponse.json b/ramls/tenantItemResponse.json
new file mode 100644
index 000000000..8bdf521e3
--- /dev/null
+++ b/ramls/tenantItemResponse.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "description": "Collection of pairs of item and tenant IDs",
+  "type": "object",
+  "properties": {
+    "tenantItems": {
+      "type": "array",
+      "description": "Items with corresponding tenantIds",
+      "items": {
+        "type": "object",
+        "additionalProperties": true
+      }
+    },
+    "totalRecords": {
+      "type": "integer"
+    }
+  },
+  "additionalProperties": false,
+  "required": ["item", "totalRecords"]
+}
diff --git a/src/main/java/org/folio/inventory/resources/TenantItems.java b/src/main/java/org/folio/inventory/resources/TenantItems.java
index c6079b6f4..c02ac570d 100644
--- a/src/main/java/org/folio/inventory/resources/TenantItems.java
+++ b/src/main/java/org/folio/inventory/resources/TenantItems.java
@@ -17,8 +17,10 @@
 import org.apache.http.HttpStatus;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.folio.TenantItem;
 import org.folio.TenantItemPair;
 import org.folio.TenantItemPairCollection;
+import org.folio.TenantItemResponse;
 import org.folio.inventory.common.WebContext;
 import org.folio.inventory.storage.external.CollectionResourceClient;
 import org.folio.inventory.support.JsonArrayHelper;
@@ -28,7 +30,6 @@
 import org.folio.inventory.support.http.server.ServerErrorResponse;
 
 import io.vertx.core.http.HttpClient;
-import io.vertx.core.json.JsonArray;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.Router;
 import io.vertx.ext.web.RoutingContext;
@@ -45,6 +46,7 @@ public class TenantItems {
 
   private static final String TENANT_ITEMS_PATH = "/inventory/tenant-items";
   public static final String ITEMS_FIELD = "items";
+  public static final String ITEM_FIELD = "item";
   public static final String TOTAL_RECORDS_FIELD = "totalRecords";
   public static final String TENANT_ID_FIELD = "tenantId";
 
@@ -77,11 +79,11 @@ private void getItemsFromTenants(RoutingContext routingContext) {
         .map(CompletableFuture::join)
         .flatMap(List::stream)
         .toList())
-      .thenApply(this::constructResponse)
-      .thenAccept(jsonObject -> JsonResponse.success(routingContext.response(), jsonObject));
+      .thenApply(items -> new TenantItemResponse().withTenantItems(items).withTotalRecords(items.size()))
+      .thenAccept(response -> JsonResponse.success(routingContext.response(), JsonObject.mapFrom(response)));
   }
 
-  private CompletableFuture<List<JsonObject>> getItemsWithTenantId(String tenantId, List<String> itemIds, RoutingContext routingContext) {
+  private CompletableFuture<List<TenantItem>> getItemsWithTenantId(String tenantId, List<String> itemIds, RoutingContext routingContext) {
     LOG.info("getItemsWithTenantId:: Fetching items - {} from tenant - {}", itemIds, tenantId);
     var context = new WebContext(routingContext);
     CollectionResourceClient itemsStorageClient;
@@ -98,24 +100,20 @@ private CompletableFuture<List<JsonObject>> getItemsWithTenantId(String tenantId
     var itemsFetched = new CompletableFuture<Response>();
     itemsStorageClient.getAll(getByIdsQuery, itemsFetched::complete);
 
-    return itemsFetched.thenApplyAsync(response ->
-      getItemsWithTenantId(tenantId, response));
+    return itemsFetched
+      .thenApply(this::getItems)
+      .thenApply(items -> items.stream()
+        .map(item -> new TenantItem()
+          .withAdditionalProperty(ITEM_FIELD, item)
+          .withAdditionalProperty(TENANT_ID_FIELD, tenantId))
+        .toList());
   }
 
-  private List<JsonObject> getItemsWithTenantId(String tenantId, Response response) {
+  private List<JsonObject> getItems(Response response) {
     if (response.getStatusCode() != HttpStatus.SC_OK || !response.hasBody()) {
       return List.of();
     }
-    return JsonArrayHelper.toList(response.getJson(), ITEMS_FIELD).stream()
-      .map(item -> item.put(TENANT_ID_FIELD, tenantId))
-      .toList();
-  }
-
-  private JsonObject constructResponse(List<JsonObject> items) {
-    return JsonObject.of(
-      ITEMS_FIELD, JsonArray.of(items.toArray()),
-      TOTAL_RECORDS_FIELD, items.size()
-    );
+    return JsonArrayHelper.toList(response.getJson(), ITEMS_FIELD);
   }
 
   private CollectionResourceClient createItemsStorageClient(OkapiHttpClient client, WebContext context) throws MalformedURLException {
diff --git a/src/test/java/api/items/TenantItemApiTests.java b/src/test/java/api/items/TenantItemApiTests.java
index 4b0095bcd..5471bda7a 100644
--- a/src/test/java/api/items/TenantItemApiTests.java
+++ b/src/test/java/api/items/TenantItemApiTests.java
@@ -6,7 +6,7 @@
 import static api.ApiTestSuite.getCanCirculateLoanType;
 import static api.support.InstanceSamples.smallAngryPlanet;
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.folio.inventory.resources.TenantItems.ITEMS_FIELD;
+import static org.folio.inventory.resources.TenantItems.ITEM_FIELD;
 import static org.folio.inventory.resources.TenantItems.TENANT_ID_FIELD;
 import static org.folio.inventory.resources.TenantItems.TOTAL_RECORDS_FIELD;
 import static org.folio.inventory.support.ItemUtil.ID;
@@ -38,6 +38,8 @@
 @RunWith(JUnitParamsRunner.class)
 public class TenantItemApiTests extends ApiTests {
 
+  private static final String TENANT_ITEMS_FIELD = "tenantItems";
+
   @Test
   public void testTenantItemsGetFromDifferentTenants() throws MalformedURLException,
     ExecutionException, InterruptedException, TimeoutException {
@@ -59,8 +61,8 @@ public void testTenantItemsGetFromDifferentTenants() throws MalformedURLExceptio
       .toCompletableFuture().get(5, TimeUnit.SECONDS);
     assertThat(response.getStatusCode()).isEqualTo(200);
 
-    consortiumItem.put(TENANT_ID_FIELD, CONSORTIA_TENANT_ID);
-    collegeItem.put(TENANT_ID_FIELD, COLLEGE_TENANT_ID);
+    consortiumItem = JsonObject.of(ITEM_FIELD, consortiumItem, TENANT_ID_FIELD, CONSORTIA_TENANT_ID);
+    collegeItem = JsonObject.of(ITEM_FIELD, collegeItem, TENANT_ID_FIELD, COLLEGE_TENANT_ID);
     var items = extractItems(response, 2);
     assertThat(items).contains(consortiumItem, collegeItem);
   }
@@ -91,7 +93,7 @@ private UUID createInstanceHoldingItem(ResourceClient itemsStorageClient, Resour
 
   private List<JsonObject> extractItems(Response itemsResponse, int expected) {
     var itemsCollection = itemsResponse.getJson();
-    var items = JsonArrayHelper.toList(itemsCollection.getJsonArray(ITEMS_FIELD));
+    var items = JsonArrayHelper.toList(itemsCollection.getJsonArray(TENANT_ITEMS_FIELD));
     assertThat(items).hasSize(expected);
     assertThat(itemsCollection.getInteger(TOTAL_RECORDS_FIELD)).isEqualTo(expected);
     return items;