Some Nico videos and functions are restricted globally
When accessing https://www.nicovideo.jp/my:
この機能は利用できません
As previously announced, features and videos may be restricted beginning October 30th (https://blog.nicovideo.jp/niconews/231356.html):
また、ニコニコへ日本国外からアクセスする場合は、上記内容に限らず、利用者が居住する国・地域によって適用される各種法令・規則を遵守した上でご利用ください。国ごとの法令・規則に違反する恐れがある描写が含まれるコンテンツやそれらのコンテンツを提供する機能については、閲覧を含む機能に対して、日本以外の全体、または日本以外の特定の国・地域を対象として海外からのアクセスを制限する場合があります。
English article with full outline of restrictions: https://blog.nicovideo.jp/niconews/231350.html
~~As an alternative, RSS feeds continue to be available for individual users:~~ RSS feeds filter region-restricted videos as of ~February 2025.
https://www.nicovideo.jp/user/{id}/video/?rss=2.0
Will be writing a function to export a user's following into OPML.
Some videos are also restricted by region now:
ご利用の国・地域からは表示できません お探しのページは、ご利用の環境に対しては表示を制限しています。 詳細はこちらをご確認ください。
My account is set to Japan with Tokyo timezone, along with JP language, so I'm fairly sure it's IP blocking like #176. The videos respond with 400.
Redirects for unavailable genres et al will take you to this message: https://www.nicovideo.jp/region_restriction
FYI: I learned recently you can bypass the region restrictions by spoofing the User-Agent header to any well-known web crawler. https://mmaker.moe/2025/01/niconico-geo-block-user-agent-spoofing/
FYI: I learned recently you can bypass the region restrictions by spoofing the User-Agent header to any well-known web crawler. https://mmaker.moe/2025/01/niconico-geo-block-user-agent-spoofing/
Perhaps a good use case for adding --user-agent or --bypass-region-lock. I'm trying not to spoof the agent directly but at this point I think it's in everyone's interest with the health of the site.