diff --git a/src/Jellyfin.Plugin.Multilang/Api/MultilangController.cs b/src/Jellyfin.Plugin.Multilang/Api/MultilangController.cs
index c9dfebf..1e40602 100644
--- a/src/Jellyfin.Plugin.Multilang/Api/MultilangController.cs
+++ b/src/Jellyfin.Plugin.Multilang/Api/MultilangController.cs
@@ -309,6 +309,7 @@ public sealed class MultilangController : ControllerBase
         var upstreamSw = Stopwatch.StartNew();
         var http = _httpClientFactory.CreateClient();
         using var request = new HttpRequestMessage(HttpMethod.Get, proxyRequest.Upstream);
+        request.Headers.TryAddWithoutValidation("Authorization", $"MediaBrowser Token=\"{token}\"");
         request.Headers.TryAddWithoutValidation("X-Emby-Token", token);
         request.Headers.TryAddWithoutValidation("X-MediaBrowser-Token", token);
         using var response = await http.SendAsync(request, cancellationToken).ConfigureAwait(false);
@@ -1250,10 +1251,6 @@ public sealed class MultilangController : ControllerBase
         if (string.IsNullOrWhiteSpace(token))
             return null;
 
-        var tokenUserId = await GetUserIdFromJellyfinApiAsync(token).ConfigureAwait(false);
-        if (!string.IsNullOrWhiteSpace(tokenUserId))
-            return tokenUserId;
-
         var remoteEndpoint = HttpContext.Connection.RemoteIpAddress?.ToString() ?? string.Empty;
         var deviceId = info?.DeviceId ?? string.Empty;
         var session = await _sessionManager.GetSessionByAuthenticationToken(token, deviceId, remoteEndpoint).ConfigureAwait(false);
@@ -1274,34 +1271,6 @@ public sealed class MultilangController : ControllerBase
             : null;
     }
 
-    private async Task<string?> GetUserIdFromJellyfinApiAsync(string token)
-    {
-        var baseUri = $"{Request.Scheme}://{Request.Host}{Request.PathBase}";
-        var usersMe = new UriBuilder(new Uri(new Uri(baseUri), "/Users/Me"));
-        usersMe.Query = Microsoft.AspNetCore.WebUtilities.QueryHelpers.AddQueryString(
-            string.Empty,
-            "api_key",
-            token).TrimStart('?');
-
-        var http = _httpClientFactory.CreateClient();
-        using var request = new HttpRequestMessage(HttpMethod.Get, usersMe.Uri);
-        request.Headers.TryAddWithoutValidation("X-Emby-Token", token);
-        request.Headers.TryAddWithoutValidation("X-MediaBrowser-Token", token);
-        using var response = await http.SendAsync(request, HttpContext.RequestAborted).ConfigureAwait(false);
-        if (!response.IsSuccessStatusCode)
-            return null;
-
-        await using var stream = await response.Content.ReadAsStreamAsync(HttpContext.RequestAborted).ConfigureAwait(false);
-        using var doc = await JsonDocument.ParseAsync(stream, cancellationToken: HttpContext.RequestAborted).ConfigureAwait(false);
-        if (!doc.RootElement.TryGetProperty("Id", out var idProperty))
-            return null;
-
-        var raw = idProperty.GetString();
-        return Guid.TryParse(raw, out var guid)
-            ? guid.ToString("N")
-            : raw?.Length == 32 && raw.All(Uri.IsHexDigit) ? raw.ToLowerInvariant() : null;
-    }
-
     private async Task<bool> IsRequesterAdminAsync()
     {
         var info = await _authorizationContext.GetAuthorizationInfo(HttpContext).ConfigureAwait(false);
diff --git a/src/Jellyfin.Plugin.Multilang/Configuration/shared.js b/src/Jellyfin.Plugin.Multilang/Configuration/shared.js
index 4dd9290..048f38c 100644
--- a/src/Jellyfin.Plugin.Multilang/Configuration/shared.js
+++ b/src/Jellyfin.Plugin.Multilang/Configuration/shared.js
@@ -19,6 +19,7 @@
     const t = token() || qs.get("token") || qs.get("api_key") || "";
     const h = { "Content-Type": "application/json" };
     if (t) {
+      h.Authorization = `MediaBrowser Token="${t}"`;
       h["X-Emby-Token"] = t;
       h["X-MediaBrowser-Token"] = t;
     }
@@ -31,6 +32,7 @@
     const h = {};
     if (contentType) h["Content-Type"] = contentType;
     if (t) {
+      h.Authorization = `MediaBrowser Token="${t}"`;
       h["X-Emby-Token"] = t;
       h["X-MediaBrowser-Token"] = t;
     }
diff --git a/src/Jellyfin.Plugin.Multilang/Services/ItemsProxyRequestBuilder.cs b/src/Jellyfin.Plugin.Multilang/Services/ItemsProxyRequestBuilder.cs
index 021bad5..143f85e 100644
--- a/src/Jellyfin.Plugin.Multilang/Services/ItemsProxyRequestBuilder.cs
+++ b/src/Jellyfin.Plugin.Multilang/Services/ItemsProxyRequestBuilder.cs
@@ -71,7 +71,6 @@ public static class ItemsProxyRequestBuilder
         }
 
         var cacheQuery = QueryHelpers.AddQueryString(string.Empty, pairs).TrimStart('?');
-        pairs.Add(KeyValuePair.Create<string, string?>("api_key", token));
         builder.Query = QueryHelpers.AddQueryString(string.Empty, pairs).TrimStart('?');
         var normalizedForCache = builder.Path + (cacheQuery.Length > 0 ? "?" + cacheQuery : string.Empty);
         return new ItemsProxyRequest(
diff --git a/src/Jellyfin.Plugin.Multilang/wwwroot/inject.js b/src/Jellyfin.Plugin.Multilang/wwwroot/inject.js
index 53af922..f7ea06e 100644
--- a/src/Jellyfin.Plugin.Multilang/wwwroot/inject.js
+++ b/src/Jellyfin.Plugin.Multilang/wwwroot/inject.js
@@ -311,7 +311,9 @@
 
   function refreshItems(itemIds) {
     const token = getClientToken();
-    const headers = token ? { "X-Emby-Token": token, "X-MediaBrowser-Token": token } : {};
+    const headers = token
+      ? { Authorization: `MediaBrowser Token="${token}"`, "X-Emby-Token": token, "X-MediaBrowser-Token": token }
+      : {};
     itemIds.forEach((itemId) => {
       fetch(`${BASE_PATH}/Multilang/RefreshItem/${itemId}?includeChildren=true${token ? `&token=${encodeURIComponent(token)}` : ""}`, { method: "POST", headers });
     });
diff --git a/tests/Jellyfin.Plugin.Multilang.Tests/ItemsProxyRequestBuilderTests.cs b/tests/Jellyfin.Plugin.Multilang.Tests/ItemsProxyRequestBuilderTests.cs
index ae2d7e7..0f14b12 100644
--- a/tests/Jellyfin.Plugin.Multilang.Tests/ItemsProxyRequestBuilderTests.cs
+++ b/tests/Jellyfin.Plugin.Multilang.Tests/ItemsProxyRequestBuilderTests.cs
@@ -22,8 +22,8 @@ public sealed class ItemsProxyRequestBuilderTests
 
         Assert.NotNull(result);
         Assert.Equal($"/Users/{UserId}/Items", result.Upstream.AbsolutePath);
-        Assert.Contains("api_key=token", result.Upstream.Query);
         Assert.DoesNotContain("api_key=old", result.Upstream.Query);
+        Assert.DoesNotContain("api_key", result.Upstream.Query, StringComparison.OrdinalIgnoreCase);
         Assert.DoesNotContain("api_key", result.NormalizedUrlForCache, StringComparison.OrdinalIgnoreCase);
         Assert.Contains("userId=" + UserId, result.NormalizedUrlForCache);
     }