diff --git a/src/DeezerAPI.php b/src/DeezerAPI.php
index 77e8bef..271fd25 100644
--- a/src/DeezerAPI.php
+++ b/src/DeezerAPI.php
@@ -152,6 +152,43 @@ public function addArtistToFavorites($artistId)
         return $this->client->apiRequest('POST', 'user/me/artists', [], sprintf('artist_id=%s', $artistId));
     }
 
+
+    /**
+     * Add an album to the user's library.
+     *
+     * @param string|int $albumId
+     *
+     * @return array|object
+     *(
+     * @throws DeezerAPIException
+     */
+    public function addAlbumToLibrary($albumId)
+    {
+        if (empty($albumId)) {
+            throw new DeezerAPIException('Album library: invalid albumId');
+        }
+
+        return $this->client->apiRequest('POST', 'user/me/albums', [], sprintf('album_id=%s', $albumId));
+    }
+
+    /**
+     * Add a track to the user's favorites.
+     *
+     * @param string|int $trackId
+     *
+     * @return array|object
+     *(
+     * @throws DeezerAPIException
+     */
+    public function addTrackToFavorites($trackId)
+    {
+        if (empty($trackId)) {
+            throw new DeezerAPIException('Track favorites: invalid trackId');
+        }
+
+        return $this->client->apiRequest('POST', 'user/me/tracks', [], sprintf('track_id=%s', $trackId));
+    }
+
     /**
      * Follow user.
      *
diff --git a/tests/DeezerAPITest.php b/tests/DeezerAPITest.php
index 1c93f61..4f6798a 100644
--- a/tests/DeezerAPITest.php
+++ b/tests/DeezerAPITest.php
@@ -194,6 +194,52 @@ public function testArtistToFavorites(): void
         self::assertEquals('{}', $this->deezerApi->addArtistToFavorites('artist'));
     }
 
+    /**
+     * @throws DeezerAPIException
+     */
+    public function testAlbumToLibraryEmptyAlbumId(): void
+    {
+        $this->expectException(DeezerAPIException::class);
+        $this->expectExceptionMessage('Album library: invalid albumId');
+        $this->deezerApi->addAlbumToLibrary('');
+    }
+
+    /**
+     * @throws DeezerAPIException
+     */
+    public function testAlbumToLibrary(): void
+    {
+        $this->client->expects(static::once())
+            ->method('apiRequest')
+            ->with('POST', 'user/me/albums', [], 'album_id=789')
+            ->willReturn('{}');
+
+        self::assertEquals('{}', $this->deezerApi->addAlbumToLibrary('789'));
+    }
+
+    /**
+     * @throws DeezerAPIException
+     */
+    public function testTrackToFavoritesEmptyTrackId(): void
+    {
+        $this->expectException(DeezerAPIException::class);
+        $this->expectExceptionMessage('Track favorites: invalid trackId');
+        $this->deezerApi->addTrackToFavorites('');
+    }
+
+    /**
+     * @throws DeezerAPIException
+     */
+    public function testTrackToFavorites(): void
+    {
+        $this->client->expects(static::once())
+            ->method('apiRequest')
+            ->with('POST', 'user/me/tracks', [], 'track_id=12345')
+            ->willReturn('{}');
+
+        self::assertEquals('{}', $this->deezerApi->addTrackToFavorites('12345'));
+    }
+
     /**
      * @throws DeezerAPIException
      */