如何通过Telegram API获取频道活跃成员数？求适用调用方法

Hey there! Let me walk you through how to get the active member count of a Telegram channel using the Telegram API, including which methods to pick based on your needs.

First, you have two main options depending on your use case:

• Telegram Bot API: The simplest choice for most developers, especially if you're already working with a Telegram Bot.
• TDLib (Telegram Database Library): A more powerful, full-featured library if you need granular, detailed statistics beyond just a single active count.

To use this method, your Bot needs to be an admin of the target channel with the manage_statistics permission (this is enabled by default for most admin roles, but double-check to be safe).

Key Method: getChatStatistics #

This is the API call that will give you access to active member data. Here's how it works:

1. First, get your Bot token by creating a Bot via @BotFather on Telegram.
2. Call the getChatStatistics method with two main parameters:
   • chat_id: Your channel's ID (can be the @username like @my_channel or the numeric ID starting with -100).
   • dark_mode (optional): A boolean to control the color scheme of any returned charts (doesn't affect the numeric data).

The response will include a ChatStatistics object, which has:

• member_count: Total number of channel members.
• active_members: The number of active members (typically defined as users who interacted with the channel in the last 30 days, per Telegram's standards).

Example Code (Python with python-telegram-bot library) #

from telegram import Bot
from telegram.error import TelegramError
import asyncio

async def fetch_active_member_count(bot_token, channel_identifier):
    bot = Bot(token=bot_token)
    try:
        channel_stats = await bot.get_chat_statistics(chat_id=channel_identifier)
        active_count = channel_stats.active_members
        total_count = channel_stats.member_count
        print(f"Channel Stats: Total Members = {total_count}, Active Members = {active_count}")
        return active_count
    except TelegramError as err:
        print(f"Oops, something went wrong: {err}")
        return None

# Run the function (for async environments)
# asyncio.run(fetch_active_member_count("YOUR_BOT_TOKEN_HERE", "@your_channel_username"))

If you need more detailed active user metrics (like daily/weekly active counts instead of just a 30-day total), TDLib is the way to go. Here's a quick overview:

1. Integrate TDLib into your project (it supports Python, Java, C++, and more).
2. Authenticate your client (either a Bot or a regular user account that's an admin of the channel).
3. Call the getChatStatistics method (similar to the Bot API, but with more detailed return data). The response includes an active_user_counts array, which breaks down active users by time periods (e.g., last 7 days, last 30 days, last year).

• Permissions Matter: Only channel admins (including Bot admins) can access channel statistics. Regular users won't be able to call these methods.
• Active Member Definition: Telegram defines active members as users who've interacted with the channel (viewed messages, posted content, etc.) in the relevant time frame—this isn't something you can customize.
• Private Channels: For private channels, you must be a member and an admin to fetch statistics.

内容的提问来源于stack exchange，提问作者Simon Hamilton