Create a WhatsApp Group
View all WhatsApp Messaging API endpoints →Create a WhatsApp group with a name and an initial set of participants. Send a JSON body with name (string) and participants (an array of full international numbers as JSON numbers, digits only), for example {"name":"Support Group","participants":[8613800138000,4915256515060]}. Returns the new group's JID and metadata for immediate follow-up operations.
API Features
One-call creation Create a named group and seed it with participants in a single request
Returns group JID Get the new group's @g.us JID and metadata for immediate follow-up
Bulk seeding Provide multiple participants at once via the participants array
Live API Demo
🔒 Sign in to try it live
Log in to call this API with your own API key. New accounts get 100 free credits — no card required.
Log in / Sign upNo active API key found. Create one in your Dashboard, then reload this page. Dashboard →
POST
/api/project/whatsapp-messaging/create-group API Response (JSON)
{} curl -X POST 'https://api.opendata-api.com/api/project/whatsapp-messaging/create-group?key=<API_KEY>&sessionId=<sessionId>' \
-H 'Content-Type: application/json' \
-d '{"body":"{\"name\":\"Support Group\",\"participants\":[8613800138000,4915256515060]}"}'
curl -X POST 'https://api.opendata-api.com/api/project/whatsapp-messaging/create-group?key=<API_KEY>&sessionId=<sessionId>' \
-H 'Content-Type: application/json' \
-d '{"body":"{\"name\":\"Support Group\",\"participants\":[8613800138000,4915256515060]}"}' Query Result
Need Help?
If you encounter API issues or need other API requirements, please contact us.
Use Cases
- Spin up support or project groups on demand from your app
- Create cohort or campaign groups seeded with a known audience
- Automate onboarding by grouping a customer with their account team