It is possible to add `before:yyyy-mm-dd` to the request text for the Youtube Search API, and it worked reliably last time I checked.
222 karma · joined September 16, 2020
I made a search form for YouTube with advanced search filters: https://playlists.at/youtube/search/
I made a simple YouTube search form with search filters that work well on YouTube: https://playlists.at/youtube/search/
pdf in english: https://noyb.eu/sites/default/files/2022-01/E-DSB%20-%20Goog...