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Access a YouTube Clip's start and end point

Goal:

I am trying to find the start and end point of a YouTube Clip.

The URL's for YouTube Clips appear to follow no logic other than they have:
https://youtube.com/clip/Ugkx + 32 characters

For example, for a 15 second clip starting at the beginning of:
https://www.youtube.com/watch?v=NiXD4xVJM5Y

The link is:
https://youtube.com/clip/UgkxU2HSeGL_NvmDJ-nQJrlLwllwMDBdGZFs

There is nothing in the URL that would suggest it starts at 0 seconds, last 15 seconds or comes from video ID NiXD4xVJM5Y.

From the HTML I was able to find the video id:

<html>
...
<body>
...
<ytd-app>
...
<div#content.style-scope.ytd-app>
...
<ytd-page-manager#page-manager.style-scope.ytd-app>
...
<ytd-watch-flexy class="style-scope ytd-page-manager hide-skeleton" video-id="NiXD4xVJM5Y"...>

But I cannot find the start point, end point, and/or duration.

Ideally, I would use a Python package to read the HTML, get the start and end point or get the start point and determine the end point by adding the duration.

Maybe I need to use YouTube Data API? I am inexperienced in YouTube's APIs.

Solution

  • This information is not available through the API.

    However, you could check the source code of the page - i.e.

    https://youtube.com/clip/UgkxU2HSeGL_NvmDJ-nQJrlLwllwMDBdGZFs

    and extract the data:

    [...] "startMs":"237223","endMs":"257223" [...]

    Which corresponds to the start and end time of the clip.

    and:

    [...] "clipConfig":{"postId":"UgkxU2HSeGL_NvmDJ-nQJrlLwllwMDBdGZFs","startTimeMs":"0","endTimeMs":"15000"} [...]

    which corresponds to the duration of the said clip.