Auto change your Discord nickname

discord_auto_nick.py

import requests
import json

# The Guild ID string to use when changing the nickname
guild_id = "000000000000000000"

# Discord session cookie string
cookie = "Entire Cookie header value when visiting discord, using browser devtools."

# Authorization header value
# You can retrieve this from any POST/PATCH request when visiting discord, using browser devtools.
auth = "Authorization header value string"

# User Agent of your choice
ua = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/117.0"

def change_nick(nick: str, guild_id: str) -> bool:
    data = json.dumps({"nick": nick})
    dlen = len(data)

    url = f"https://discord.com/api/v9/guilds/{guild_id}/members/@me"

    headers = {
        "Host": "discord.com",
        "User-Agent": ua,
        "Accept": "*/*",
        "Accept-Language": "q=0.8,en-US;q=0.5,en;q=0.3",
        "Referer": f"https://discord.com/channels/{guild_id}",
        "Content-Type": "application/json",
        "Authorization": auth,
        "Content-Length": f"{dlen}",
        "Origin": "https://discord.com",
        "DNT": "1",
        "Alt-Used": "discord.com",
        "Connection": "keep-alive",
        "Cookie": cookie,
        "Sec-Fetch-Dest": "empty",
        "Sec-Fetch-Mode": "cors",
        "Sec-Fetch-Site": "same-origin",
        "TE": "trailers",
    }

    res = requests.patch(url, data=data, headers=headers)
    return res.status_code == 200


if __name__ == "__main__":
    nick = input("\nInsert new nick\n>>").strip()
    print(change_nick(nick, guild_id))