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diff --git a/Jellyfin.Api/Controllers/ItemLookupController.cs b/Jellyfin.Api/Controllers/ItemLookupController.cs
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+++ b/Jellyfin.Api/Controllers/ItemLookupController.cs
@@ -0,0 +1,278 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Api.Constants;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Entities.Movies;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Providers;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Api.Controllers
+{
+    /// <summary>
+    /// Item lookup controller.
+    /// </summary>
+    [Route("")]
+    [Authorize(Policy = Policies.DefaultAuthorization)]
+    public class ItemLookupController : BaseJellyfinApiController
+    {
+        private readonly IProviderManager _providerManager;
+        private readonly IServerApplicationPaths _appPaths;
+        private readonly IFileSystem _fileSystem;
+        private readonly ILibraryManager _libraryManager;
+        private readonly ILogger<ItemLookupController> _logger;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ItemLookupController"/> class.
+        /// </summary>
+        /// <param name="providerManager">Instance of the <see cref="IProviderManager"/> interface.</param>
+        /// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
+        /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        /// <param name="logger">Instance of the <see cref="ILogger{ItemLookupController}"/> interface.</param>
+        public ItemLookupController(
+            IProviderManager providerManager,
+            IServerConfigurationManager serverConfigurationManager,
+            IFileSystem fileSystem,
+            ILibraryManager libraryManager,
+            ILogger<ItemLookupController> logger)
+        {
+            _providerManager = providerManager;
+            _appPaths = serverConfigurationManager.ApplicationPaths;
+            _fileSystem = fileSystem;
+            _libraryManager = libraryManager;
+            _logger = logger;
+        }
+
+        /// <summary>
+        /// Get the item's external id info.
+        /// </summary>
+        /// <param name="itemId">Item id.</param>
+        /// <response code="200">External id info retrieved.</response>
+        /// <response code="404">Item not found.</response>
+        /// <returns>List of external id info.</returns>
+        [HttpGet("Items/{itemId}/ExternalIdInfos")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        public ActionResult<IEnumerable<ExternalIdInfo>> GetExternalIdInfos([FromRoute, Required] Guid itemId)
+        {
+            var item = _libraryManager.GetItemById(itemId);
+            if (item == null)
+            {
+                return NotFound();
+            }
+
+            return Ok(_providerManager.GetExternalIdInfos(item));
+        }
+
+        /// <summary>
+        /// Get movie remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Movie remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Movie")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMovieRemoteSearchResults([FromBody, Required] RemoteSearchQuery<MovieInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<Movie, MovieInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get trailer remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Trailer remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Trailer")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetTrailerRemoteSearchResults([FromBody, Required] RemoteSearchQuery<TrailerInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<Trailer, TrailerInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get music video remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Music video remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/MusicVideo")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicVideoRemoteSearchResults([FromBody, Required] RemoteSearchQuery<MusicVideoInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<MusicVideo, MusicVideoInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get series remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Series remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Series")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetSeriesRemoteSearchResults([FromBody, Required] RemoteSearchQuery<SeriesInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<Series, SeriesInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get box set remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Box set remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/BoxSet")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetBoxSetRemoteSearchResults([FromBody, Required] RemoteSearchQuery<BoxSetInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<BoxSet, BoxSetInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get music artist remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Music artist remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/MusicArtist")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicArtistRemoteSearchResults([FromBody, Required] RemoteSearchQuery<ArtistInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<MusicArtist, ArtistInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get music album remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Music album remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/MusicAlbum")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicAlbumRemoteSearchResults([FromBody, Required] RemoteSearchQuery<AlbumInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<MusicAlbum, AlbumInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get person remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Person remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Person")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetPersonRemoteSearchResults([FromBody, Required] RemoteSearchQuery<PersonLookupInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<Person, PersonLookupInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Get book remote search.
+        /// </summary>
+        /// <param name="query">Remote search query.</param>
+        /// <response code="200">Book remote search executed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Book")]
+        public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetBookRemoteSearchResults([FromBody, Required] RemoteSearchQuery<BookInfo> query)
+        {
+            var results = await _providerManager.GetRemoteSearchResults<Book, BookInfo>(query, CancellationToken.None)
+                .ConfigureAwait(false);
+            return Ok(results);
+        }
+
+        /// <summary>
+        /// Applies search criteria to an item and refreshes metadata.
+        /// </summary>
+        /// <param name="itemId">Item id.</param>
+        /// <param name="searchResult">The remote search result.</param>
+        /// <param name="replaceAllImages">Optional. Whether or not to replace all images. Default: True.</param>
+        /// <response code="204">Item metadata refreshed.</response>
+        /// <returns>
+        /// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
+        /// The task result contains an <see cref="NoContentResult"/>.
+        /// </returns>
+        [HttpPost("Items/RemoteSearch/Apply/{itemId}")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        public async Task<ActionResult> ApplySearchCriteria(
+            [FromRoute, Required] Guid itemId,
+            [FromBody, Required] RemoteSearchResult searchResult,
+            [FromQuery] bool replaceAllImages = true)
+        {
+            var item = _libraryManager.GetItemById(itemId);
+            _logger.LogInformation(
+                "Setting provider id's to item {0}-{1}: {2}",
+                item.Id,
+                item.Name,
+                JsonSerializer.Serialize(searchResult.ProviderIds));
+
+            // Since the refresh process won't erase provider Ids, we need to set this explicitly now.
+            item.ProviderIds = searchResult.ProviderIds;
+            await _providerManager.RefreshFullItem(
+                item,
+                new MetadataRefreshOptions(new DirectoryService(_fileSystem))
+                {
+                    MetadataRefreshMode = MetadataRefreshMode.FullRefresh,
+                    ImageRefreshMode = MetadataRefreshMode.FullRefresh,
+                    ReplaceAllMetadata = true,
+                    ReplaceAllImages = replaceAllImages,
+                    SearchResult = searchResult
+                }, CancellationToken.None).ConfigureAwait(false);
+
+            return NoContent();
+        }
+    }
+}