diff --git a/yt_dlp/extractor/tiktok.py b/yt_dlp/extractor/tiktok.py
index 7d79ad8d53..a3079151a8 100644
--- a/yt_dlp/extractor/tiktok.py
+++ b/yt_dlp/extractor/tiktok.py
@@ -26,8 +26,9 @@ class TikTokBaseIE(InfoExtractor):
     _MANIFEST_APP_VERSION = '291'
     _APP_NAME = 'trill'
     _AID = 1180
-    _API_HOSTNAME = 'api-t2.tiktokv.com'
+    _API_HOSTNAME = 'api-h2.tiktokv.com'
     _UPLOADER_URL_FORMAT = 'https://www.tiktok.com/@%s'
+    _WEBPAGE_HOST = 'https://www.tiktok.com/'
     QUALITIES = ('360p', '540p', '720p')
 
     def _call_api(self, ep, query, video_id, fatal=True,
@@ -68,6 +69,9 @@ class TikTokBaseIE(InfoExtractor):
             'cp': 'cbfhckdckkde1',
         }
         self._set_cookie(self._API_HOSTNAME, 'odin_tt', ''.join(random.choice('0123456789abcdef') for _ in range(160)))
+        webpage_cookies = self._get_cookies(self._WEBPAGE_HOST)
+        if webpage_cookies.get('sid_tt'):
+            self._set_cookie(self._API_HOSTNAME, 'sid_tt', webpage_cookies['sid_tt'].value)
         return self._download_json(
             'https://%s/aweme/v1/%s/' % (self._API_HOSTNAME, ep), video_id=video_id,
             fatal=fatal, note=note, errnote=errnote, headers={
@@ -176,6 +180,7 @@ class TikTokBaseIE(InfoExtractor):
         user_url = self._UPLOADER_URL_FORMAT % (traverse_obj(author_info,
                                                              'sec_uid', 'id', 'uid', 'unique_id',
                                                              expected_type=str_or_none, get_all=False))
+        labels = traverse_obj(aweme_detail, ('hybrid_label', ..., 'text'), expected_type=str)
 
         contained_music_track = traverse_obj(
             music_info, ('matched_song', 'title'), ('matched_pgc_sound', 'title'), expected_type=str)
@@ -206,7 +211,11 @@ class TikTokBaseIE(InfoExtractor):
             'timestamp': int_or_none(aweme_detail.get('create_time')),
             'formats': formats,
             'thumbnails': thumbnails,
-            'duration': int_or_none(traverse_obj(video_info, 'duration', ('download_addr', 'duration')), scale=1000)
+            'duration': int_or_none(traverse_obj(video_info, 'duration', ('download_addr', 'duration')), scale=1000),
+            'availability': self._availability(
+                is_private='Private' in labels,
+                needs_subscription='Friends only' in labels,
+                is_unlisted='Followers only' in labels)
         }
 
     def _parse_aweme_video_web(self, aweme_detail, webpage_url):
@@ -340,7 +349,9 @@ class TikTokIE(TikTokBaseIE):
 
     def _extract_aweme_app(self, aweme_id):
         aweme_detail = self._call_api('aweme/detail', {'aweme_id': aweme_id}, aweme_id,
-                                      note='Downloading video details', errnote='Unable to download video details')['aweme_detail']
+                                      note='Downloading video details', errnote='Unable to download video details').get('aweme_detail')
+        if not aweme_detail:
+            raise ExtractorError('Video not available', video_id=aweme_id)
         return self._parse_aweme_video_app(aweme_detail)
 
     def _real_extract(self, url):
@@ -542,6 +553,7 @@ class DouyinIE(TikTokIE):
     _AID = 1128
     _API_HOSTNAME = 'aweme.snssdk.com'
     _UPLOADER_URL_FORMAT = 'https://www.douyin.com/user/%s'
+    _WEBPAGE_HOST = 'https://www.douyin.com/'
 
     def _real_extract(self, url):
         video_id = self._match_id(url)