Details

Under every subscription data that you got from :Page here you can get the channelID of the channels under resource like below

"resourceId": { "kind": "youtube#channel", "channelId": "UCAmesXXoaHPLXJ0Ol9vEE9A" },

Now so we you try to check the https://www.youtube.com/channel/UCAmesXXoaHPLXJ0Ol9vEE9A you will see your channel

Now to get the short videos on this channel you have just to replace the UC in the channel ID to UUSH https://www.youtube.com/playlist?list=UUSHAmesXXoaHPLXJ0Ol9vEE9A

NOTE: Some channels don't have short videos you get an error from API which you have to handle.

Now the Api details

first you have to call the playlist items API https://developers.google.com/youtube/v3/docs/playlistItems/list

Request :

part: contentDetails

playlistId : UUSHAmesXXoaHPLXJ0Ol9vEE9A

Response :

{
  "kind": "youtube#playlistItemListResponse",
  "etag": "MSn-5LnPsyri1zR0JKKifV605vY",
  "nextPageToken": "EAAaf1BUOkNBVWlFREV5UlVaQ00wSXhRelUzUkVVMFJURW9BVWpkb3Q3a2hkMkZBMUFCV2pvaVEyaHdWbFpXVGtsUlZ6RnNZekZvV1dJeVJrbFZSWGhaVTJwQ1VHSkViREpTVlZVMVVWSkpUVU5QTTBOeFRFVkhSVTFwYVRrM1owUWk",
  "items": [
    {
      "kind": "youtube#playlistItem",
      "etag": "Ygt-UlzqlRdISe6kbyXCrqfOIrs",
      "id": "VVVTSEFtZXNYWG9hSFBMWEowT2w5dkVFOUEuRHlzYjRTMndkNzA",
      "contentDetails": {
        "videoId": "Dysb4S2wd70",
        "videoPublishedAt": "2024-04-23T16:41:05Z"
      }
    },
    {
      "kind": "youtube#playlistItem",
      "etag": "OLQEKS6Eijq-Dn650fbyx4nv59M",
      "id": "VVVTSEFtZXNYWG9hSFBMWEowT2w5dkVFOUEuNFo1RHZKcVVCRGc",
      "contentDetails": {
        "videoId": "4Z5DvJqUBDg",
        "videoPublishedAt": "2024-04-23T07:00:03Z"
      }
    },
    {
      "kind": "youtube#playlistItem",
      "etag": "7uoYjRk61xWSVvtz-FIPJTqOR3I",
      "id": "VVVTSEFtZXNYWG9hSFBMWEowT2w5dkVFOUEuVTBfaEs0NlZSdnc",
      "contentDetails": {
        "videoId": "U0_hK46VRvw",
        "videoPublishedAt": "2024-04-21T07:00:12Z"
      }
    },
    {
      "kind": "youtube#playlistItem",
      "etag": "Qg-C6nOzoJx3CG1FFJG9zlPIDcs",
      "id": "VVVTSEFtZXNYWG9hSFBMWEowT2w5dkVFOUEuSEk2aFk0YUttYk0",
      "contentDetails": {
        "videoId": "HI6hY4aKmbM",
        "videoPublishedAt": "2024-04-18T07:00:13Z"
      }
    },
    {
      "kind": "youtube#playlistItem",
      "etag": "TH3aqUe7qgZx1Atipi760qSH03o",
      "id": "VVVTSEFtZXNYWG9hSFBMWEowT2w5dkVFOUEuOUh4YWU3b3h3YXM",
      "contentDetails": {
        "videoId": "9Hxae7oxwas",
        "videoPublishedAt": "2024-04-16T14:46:04Z"
      }
    }
  ],
  "pageInfo": {
    "totalResults": 148,
    "resultsPerPage": 5
  }
}