I’m working on a bot that needs to confirm if someone actually owns or manages a specific Telegram channel. Right now I’m trying to figure out the most reliable method to do this.
I thought about generating a unique token and having the person post it in their channel, then my bot could check if that message appears. But I’m wondering if there are better approaches.
For regular users, verification is easy since they can just message the bot directly. However, channels work differently and can’t initiate conversations with bots.
Has anyone dealt with this before? What’s the most effective way to validate that someone has admin rights for a channel they claim to control?
I’ve handled this exact scenario in production and found that adding the bot as an administrator temporarily works best for sensitive applications. The process involves having the user add your bot to their channel with admin privileges, then your bot can call getChatMember with the user’s ID to confirm their admin status directly through the API. Once verification is complete, the bot can be removed or downgraded to a regular member. This method eliminates any public posts that might confuse subscribers and provides definitive proof of admin rights. The main drawback is requiring users to grant admin access initially, but most legitimate channel owners don’t hesitate since it’s temporary. I’ve found this approach significantly reduces false verification attempts compared to token-based methods where people sometimes try to game the system by deleting posts quickly after verification.
The token approach you mentioned is actually quite solid and widely used. I’ve implemented similar verification systems before and found it works reliably. One enhancement I’d suggest is making the token time-sensitive and including specific formatting requirements to prevent false positives. Another method worth considering is using the getChatAdministrators API call if your bot is already added to the channel. This directly returns admin status without requiring public posts. However, this requires the bot to be a member first, which might not always be feasible. For better user experience, you could also implement a hybrid approach where admins forward a recent channel message to your bot, then you verify the message exists using getChatMember permissions. This feels more natural than posting random tokens and cluttering the channel feed.
honestly the forwarding method works pretty well too - just ask them to forward any recent post from thier channel to your bot. you can check if the forward_from_chat matches the channel they claim to own. way simpler than dealing with admin permissions and doesnt require posting anything new to the channel.