diff --git a/yt_dlp/extractor/pialive.py b/yt_dlp/extractor/pialive.py
index 4f2ee7d043..34529888df 100644
--- a/yt_dlp/extractor/pialive.py
+++ b/yt_dlp/extractor/pialive.py
@@ -6,6 +6,7 @@ from ..utils.traversal import traverse_obj
 class PiaLiveIE(InfoExtractor):
     PLAYER_ROOT_URL = 'https://player.pia-live.jp/'
     PIA_LIVE_API_URL = 'https://api.pia-live.jp'
+    API_KEY = 'kfds)FKFps-dms9e'
     _VALID_URL = r'https?://player\.pia-live\.jp/stream/(?P<id>[\w-]+)'
 
     _TESTS = [
@@ -55,18 +56,18 @@ class PiaLiveIE(InfoExtractor):
 
         payload, content_type = multipart_encode({
             'play_url': video_key,
-            'api_key': self._extract_vars('APIKEY', prod_configure)})
+            'api_key': self.API_KEY})
 
         player_tag_list = self._download_json(
             f'{self.PIA_LIVE_API_URL}/perf/player-tag-list/{program_code}', program_code,
             data=payload, headers={'Content-Type': content_type, 'Referer': self.PLAYER_ROOT_URL},
             note='Fetching player tag list', errnote='Unable to fetch player tag list')
-
-        chat_room_url = traverse_obj(self._download_json(
-            f'{self.PIA_LIVE_API_URL}/perf/chat-tag-list/{program_code}/{article_code}', program_code,
-            data=payload, headers={'Content-Type': content_type, 'Referer': self.PLAYER_ROOT_URL},
-            note='Fetching chat info', errnote='Unable to fetch chat info', fatal=False),
-            ('data', 'chat_one_tag', {extract_attributes}, 'src', {url_or_none}))
+        if self.get_param('getcomments'):
+            chat_room_url = traverse_obj(self._download_json(
+                f'{self.PIA_LIVE_API_URL}/perf/chat-tag-list/{program_code}/{article_code}', program_code,
+                data=payload, headers={'Content-Type': content_type, 'Referer': self.PLAYER_ROOT_URL},
+                note='Fetching chat info', errnote='Unable to fetch chat info', fatal=False),
+                ('data', 'chat_one_tag', {extract_attributes}, 'src', {url_or_none}))
 
         return self.url_result(
             extract_attributes(player_tag_list['data']['movie_one_tag'])['src'], url_transparent=True,
diff --git a/yt_dlp/extractor/piaulizaportal.py b/yt_dlp/extractor/piaulizaportal.py
index 7120636981..1ead45ab31 100644
--- a/yt_dlp/extractor/piaulizaportal.py
+++ b/yt_dlp/extractor/piaulizaportal.py
@@ -43,19 +43,16 @@ class PIAULIZAPortalAPIIE(InfoExtractor):
     def _real_extract(self, url):
         display_id = self._match_id(url)
         player_data = self._download_webpage(
-            url, tmp_video_id, headers={'Referer': 'https://player-api.p.uliza.jp/'},
+            url, display_id, headers={'Referer': 'https://player-api.p.uliza.jp/'},
             note='Fetching player data', errnote='Unable to fetch player data',
         )
 
-        player_data = self._search_json(
-            r'var\s+params\s*=', player_js, 'json', display_id,
-            transform_source=js_to_json)
+        m3u8_url = self._search_regex(
+            r'["\'](https://vms-api\.p\.uliza\.jp/v1/prog-index\.m3u8[^"\']+)', player_data,
+            'm3u8 url', default=None)
+        video_id = self._search_regex(r'&?ss=([\da-f]{8}-(?:[\da-f]{4}-){3}[\da-f]{12})&?', m3u8_url, 'video id', default=display_id)
 
-        video_id = self._search_regex(r'&?ss=([\da-f]{8}-(?:[\da-f]{4}-){3}[\da-f]{12})&?', m3u8_url, 'video id', default=tmp_video_id)
-
-        formats = self._extract_m3u8_formats(
-            m3u8_url,
-            video_id, fatal=False)
+        formats = self._extract_m3u8_formats(m3u8_url, video_id)
         m3u8_type = self._search_regex(
             r'/hls/(dvr|video)/', traverse_obj(formats, (0, 'url')), 'm3u8 type', default=None)
         return {