yt-channel-resolver

channels.txt

https://www.youtube.com/@90sFilmyGaane
https://www.youtube.com/@AASTIKSpiritualSecrets
https://www.youtube.com/@acousticsound
https://www.youtube.com/@acousticsound5879
https://www.youtube.com/@actiondhamaka
https://www.youtube.com/@ActionHeroes
https://www.youtube.com/@ActionHits
https://www.youtube.com/@adityamovies
https://www.youtube.com/@AdkGujaratiProduction
https://www.youtube.com/@AkkNedlyamenya
https://www.youtube.com/@AlbSoundProduction
https://www.youtube.com/@ambeycassettes
https://www.youtube.com/@andpictureschannel
https://www.youtube.com/@andtvchannel

resolve.py

import requests, json

def resolveId(channelUrl):
    data_json = {
        "context": {
            "client": {
                "clientName": "ANDROID",
                "clientVersion": "19.09.37",
                "hl": "en"
            }
        },
        "url": channelUrl
    }
    url = 'https://youtubei.googleapis.com/youtubei/v1/navigation/resolve_url?key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8'
    data = json.dumps(data_json)
    res = requests.post(url, data=data, headers={"Content-Type": "application/json"})
    return json.loads(res.text)["endpoint"]["browseEndpoint"]["browseId"]

file = open('channels.txt', 'r')
lines = file.readlines()

for line in lines:
    url = line.strip()

    try:
        id = resolveId(url)

        print(f'{url} --> {id}')
    except:
        print(f'{url} --x error resolving, 404?')