Youtube video download using API -- 2

Job ID: 33326476

Budget: $30 – $250 USD

Looking for a developer who are very familiar with API
When user select video channel(Youtube and Twitch), videos that user uploaded should be download to my local.
And the thumbnails of videos should be displayed to my app.
I want you to integrate code to my existing app written by Next.js
So only use Youtube API and Twitch API for download videos from the channel
Related categories: JavaScript YouTube RESTful API Twitch Next.js