I have retrieved upload Id from a channel as shown here(https://www.youtube.com/watch?v=RjUlmco7v2M&t=2s), and using it as playlitstId here https://developers.google.com/youtube/v3/docs/playlistItems/list#try-it Sometimes it gives 200, sometimes 404,
Response {_body: "{↵ "error": {↵ "errors": [↵ {↵ "domain": "yo…003c/code\u003e parameter cannot be found."↵ }↵}↵", status: 404, ok: false, statusText: "OK", headers: Headers…}
Additional info: I have selected part as contentDetails,id,snippet maxResults 50