Translating YouTube video title and description | V3 API
I found the solution, localizations is what it's called.
https://developers.google.com/apis-explorer/#p/youtube/v3/youtube.videos.update
PUT https://www.googleapis.com/youtube/v3/videos?part=localizations&key={YOUR_API_KEY}{ "id": "kE7dYgd3F8E", //https://www.youtube.com/edit?video_id=kE7dYgd3F8E "localizations": { "es-do": { //local codes, http://www.science.co.il/Language/Locale-codes.php "title": "Translated title", "description": "Translated description" } }}