diff --git a/src/components/documentManager.ts b/src/components/documentManager.ts
index 598b56e5..de3d47f6 100644
--- a/src/components/documentManager.ts
+++ b/src/components/documentManager.ts
@@ -1,4 +1,5 @@
 import type { BaseItemDto } from '@jellyfin/sdk/lib/generated-client';
+import { getItemsApi, getUserLibraryApi } from '@jellyfin/sdk/lib/utils/api';
 import { AppStatus } from '../types/appStatus';
 import { parseISO8601Date, TicksPerSecond, ticksToSeconds } from '../helpers';
 import { JellyfinApi } from './jellyfinApi';
@@ -223,15 +224,14 @@ export abstract class DocumentManager {
             return;
         }
 
-        const item: BaseItemDto = await JellyfinApi.authAjaxUser(
-            `Items/${itemId}`,
-            {
-                dataType: 'json',
-                type: 'GET'
-            }
-        );
+        const response = await getUserLibraryApi(
+            JellyfinApi.jellyfinApi
+        ).getItem({
+            itemId,
+            userId: JellyfinApi.userId
+        });
 
-        DocumentManager.showItem(item);
+        DocumentManager.showItem(response.data);
     }
 
     /**
@@ -353,21 +353,19 @@ export abstract class DocumentManager {
      * @returns promise waiting for the backdrop to be set
      */
     private static async setRandomUserBackdrop(): Promise<void> {
-        const result = await JellyfinApi.authAjaxUser('Items', {
-            dataType: 'json',
-            query: {
-                ImageTypes: 'Backdrop',
-                IncludeItemTypes: 'Movie,Series',
-                Limit: 1,
-                MaxOfficialRating: 'PG-13',
-                Recursive: true,
-                SortBy: 'Random'
-                // Although we're limiting to what the user has access to,
-                // not everyone will want to see adult backdrops rotating on their TV.
-            },
-            type: 'GET'
+        const response = await getItemsApi(JellyfinApi.jellyfinApi).getItems({
+            imageTypes: ['Backdrop'],
+            includeItemTypes: ['Movie', 'Series'],
+            limit: 1,
+            maxOfficialRating: 'PG-13',
+            recursive: true,
+            sortBy: ['Random']
+            // Although we're limiting to what the user has access to,
+            // not everyone will want to see adult backdrops rotating on their TV.
         });
 
+        const result = response.data;
+
         let src: string | null = null;
         let item: BaseItemDto | null = null;
 
diff --git a/src/components/maincontroller.ts b/src/components/maincontroller.ts
index ca35e943..7137ad3b 100644
--- a/src/components/maincontroller.ts
+++ b/src/components/maincontroller.ts
@@ -3,7 +3,7 @@ import type {
     MediaStream,
     MediaSourceInfo
 } from '@jellyfin/sdk/lib/generated-client';
-import { getSessionApi } from '@jellyfin/sdk/lib/utils/api';
+import { getSessionApi, getUserLibraryApi } from '@jellyfin/sdk/lib/utils/api';
 import {
     getCurrentPositionTicks,
     getReportingParams,
@@ -635,12 +635,15 @@ export async function onStopPlayerBeforePlaybackDone(
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     options: any
 ): Promise<void> {
-    const data = await JellyfinApi.authAjaxUser(`Items/${item.Id}`, {
-        dataType: 'json',
-        type: 'GET'
-    });
+    if (item.Id) {
+        const response = await getUserLibraryApi(
+            JellyfinApi.jellyfinApi
+        ).getItem({
+            itemId: item.Id
+        });
 
-    PlaybackManager.playItemInternal(data, options);
+        PlaybackManager.playItemInternal(response.data, options);
+    }
 }
 
 let lastBitrateDetect = 0;
diff --git a/src/helpers.ts b/src/helpers.ts
index c28e11f7..51f20525 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -9,7 +9,11 @@ import type {
     UserDto,
     ItemFields
 } from '@jellyfin/sdk/lib/generated-client';
-import { getItemsApi, getTvShowsApi } from '@jellyfin/sdk/lib/utils/api';
+import {
+    getItemsApi,
+    getTvShowsApi,
+    getUserApi
+} from '@jellyfin/sdk/lib/utils/api';
 import { ItemsApiGetItemsRequest } from '@jellyfin/sdk/lib/generated-client/api/items-api';
 import { JellyfinApi } from './components/jellyfinApi';
 import { PlaybackManager, PlaybackState } from './components/playbackManager';
@@ -607,11 +611,10 @@ export async function getEpisodesForPlayback(
  * Get user object for the current user
  * @returns user object
  */
-export function getUser(): Promise<UserDto> {
-    return JellyfinApi.authAjaxUser('', {
-        dataType: 'json',
-        type: 'GET'
-    });
+export async function getUser(): Promise<UserDto> {
+    const response = await getUserApi(JellyfinApi.jellyfinApi).getCurrentUser();
+
+    return response.data;
 }
 
 /**