Join a WhatsApp group using an invite link or code. Send a JSON body with code, which can be a full link (https://chat.whatsapp.com/xxx) or just the final code segment. Returns the joined group's JID. Useful for programmatically entering communities you administer or monitor.

API Features

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

Returns JID Get the joined group's @g.us JID for follow-up operations

One call Join programmatically without manual phone steps

Live API Demo

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

API Response (JSON)

{}

curl -X POST 'https://api.opendata-api.com/api/project/whatsapp-messaging/join-group?key=<API_KEY>&sessionId=<sessionId>' \ -H 'Content-Type: application/json' \ -d '{"body":"{\"code\":\"https://chat.whatsapp.com/AbCdEfGhIjK\"}"}'

curl -X POST 'https://api.opendata-api.com/api/project/whatsapp-messaging/join-group?key=<API_KEY>&sessionId=<sessionId>' \
  -H 'Content-Type: application/json' \
  -d '{"body":"{\"code\":\"https://chat.whatsapp.com/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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WhatsApp: Join a Group via Invite Link