Join a Telegram group or channel using an invite link or hash. Send a JSON body with link, which can be a full invite link (https://t.me/+AbCdEf or https://t.me/joinchat/AbCdEf) or just the hash. Returns the joined peer. Useful for programmatically entering communities you administer or monitor.

API Features

Link or hash Accepts a full invite link or just the hash segment

Groups and channels Joins both group chats and broadcast channels

One call Join programmatically without manual app steps

Live API Demo

POST /api/project/telegram-messaging/join-group

API Response (JSON)

{}

curl -X POST 'https://api.opendata-api.com/api/project/telegram-messaging/join-group?key=<API_KEY>&sessionId=<sessionId>' \ -H 'Content-Type: application/json' \ -d '{"body":"{\"link\":\"https://t.me/+AbCdEfGhIjK\"}"}'

curl -X POST 'https://api.opendata-api.com/api/project/telegram-messaging/join-group?key=<API_KEY>&sessionId=<sessionId>' \
  -H 'Content-Type: application/json' \
  -d '{"body":"{\"link\":\"https://t.me/+AbCdEfGhIjK\"}"}'

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Use Cases

Auto-join brand or community groups you manage
Enter a monitoring account into target groups
Onboard a bot into a newly created group

Related operations

Guides

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Telegram: Join a Group via Invite Link