Bot Making Tips

from telethon.sync import TelegramClient from telethon.tl.functions.contacts import ImportContactsRequest, DeleteContactsRequest from telethon.tl.types import InputPhoneContact import time api_id = 123456 # Replace with your API ID api_hash = 'your_api_hash' # Replace with your API Hash phone_number = '+11234567890' # Your Telegram account number client = TelegramClient('batch_checker_session', api_id, api_hash) client.start(phone=phone_number) with open('numbers.txt', 'r') as f: phone_numbers = [line.strip() for line in f if line.strip()] for number in phone_numbers: try: contact = InputPhoneContact(client_id=0, phone=number, first_name="Check", last_name="Number") result = client(ImportContactsRequest([contact])) user = result.users[0] if result.users else None if user: print(f"✅ {number} is registered. Username: @{user.username or 'None'}") # Optional: Remove contact to stay clean client(DeleteContactsRequest([user.id])) else: print(f"❌ {number} is NOT registered.") time.sleep(1) # Sleep to prevent rate limit except Exception as e: print(f"⚠️ Error checking {number}: {e}") client.disconnect()