Wassenger

Interact with Wassenger WhatsApp API

Actions148

Send messages Actions
- Send text message
- Send multimedia message
- Send scheduled message
- Send poll message
- Send votes in a poll
- Delete votes in a poll
- Send meeting event
- Send meeting confirmation
- Send location
- Send contacts
- Send reaction
- Send catalog product
- Forward message
Outbound Messages Actions
- Search Messages
- Get Message
- Update Message
- Delete Message
WhatsApp Numbers Actions
- Get Numbers
- Get Number by ID
- Create Number
- Update Number
- Delete Number
- Delete Chats
Groups Actions
- Get Groups
- Get Group
- Create Group
- Update Group
- Update Group Image
- Add Participants
- Update Participants
- Remove Participants
- Get Pending Members
- Approve Members
- Reject Members
- Get Invite Code
- Revoke Invite Code
- Join Group
- Leave Group
Channels Actions
- Get Channels
- Get Channel
- Create Channel
- Update Channel
- Update Channel Image
- Delete Channel
- Join Channel
- Search Channels
Chats Actions
- Get Chats
- Get Chat Details
- Send Typing Status
- Sync Device Chats
- Sync Chat Messages
- Update Chat Read Status
- Set Chat Status
- Get Group Participants
- Assign Chat
- Unassign Chat
- Create Chat Note
- Delete Chat Note
- Update Chat Labels
- Update Chat Attributes
- Archive Chat
- Unarchive Chat
- Delete Chat
- Bulk Update Chats
Chat Contacts Actions
- Get Contacts
- Get Contact Details
- Create Contact
- Update Contact
- Update Contact Metadata
- Upsert Contact Metadata
- Delete Contact
- Bulk Create Contacts
- Block Contacts
- Unblock Contacts
Chat Messages Actions
- Get Messages
- Get Message Details
- Get Message Delivery Info
- Edit Message
- Delete Message
Chat Files Actions
- Get Files
- Get File Details
- Download File
Team Actions
- Get Team Members
- Update Team Member
- Delete Team Members
- Get Device Team Members
- Create Team Member
- Grant Device Access
- Revoke Device Access
Labels Actions
- Get Labels
- Create Label
- Update Label
- Delete Label
Departments Actions
- Get Departments
- Create Department
- Update Department
- Delete Department
Files Actions
- Search Files
- Upload File
- Delete Files
- Get File Preview
- Download File
- Get File
- Update File
- Delete File
Quick replies Actions
- Get Quick Replies
- Create Quick Reply
- Update Quick Reply
- Delete Quick Replies
Queue Actions
- Get Queue Status
- Set Queue Status
- Route Queue
- Empty Queue
WhatsApp session Actions
- Sync session
- Start session
- Scan QR
- Reset session
- Reboot session
- Get session health
- Request Authentication Code
WhatsApp profile Actions
- Get Profile
- Update Profile
- Get Profile Image
- Update Profile Image
Business catalog Actions
- Get My Catalog
- Query Business Catalog
Campaigns Actions
- Get Campaigns
- Get Campaign
- Update Campaign Status
- Get Campaign Contacts
- Delete Campaign
Meeting Links Actions
- Get Meeting Links
- Create Meeting Link
- Delete Meeting Links
User Status Actions
- Get User Status
- Get User Status by ID
- Update User Status
- Delete User Status
Webhooks Actions
- Get Webhooks
- Create Webhook
- Get Webhook
- Update Webhook
- Delete Webhook
- Enable Webhook
- Get Webhook Logs
Other Actions
- Verify number exists
- Validate phone numbers
- Send API request

Overview

This node operation updates the participants of a WhatsApp group using the Wassenger WhatsApp API. It allows modifying participant details such as their phone numbers and admin status within a specified group. This is useful for managing group membership dynamically, for example, adding new members or changing existing members' permissions without leaving the WhatsApp app.

Practical scenarios include:

Adding multiple users to a business or community WhatsApp group.
Promoting or demoting participants to/from admin roles programmatically.
Automating group membership management based on external triggers or workflows.

Properties

Name	Meaning
WhatsApp Number	The ID of the WhatsApp number (device) from which the group is managed.
Group ID	The unique identifier of the WhatsApp group where participants will be updated.
Participants	A collection of participants to add or update in the group. Each participant includes:
	- Phone Number: The participant's phone number in international format (e.g., +1234567890).
	- Make Admin: Boolean flag indicating whether the participant should have admin privileges.

Output

The node outputs JSON data representing the result of the update participants operation. This typically includes confirmation of the updated participants and their statuses within the group. The exact structure depends on the API response but generally confirms success or failure per participant.

No binary data output is involved in this operation.

Dependencies

Requires an active connection to the Wassenger WhatsApp API.
Needs an API key credential configured in n8n for authentication.
The node depends on dynamic loading of available WhatsApp devices and groups via internal methods (getDevices, getGroups).

Troubleshooting

Common Issues:
- Invalid or missing WhatsApp number/device ID can cause failures in identifying the source device.
- Incorrect or expired group IDs may lead to errors when updating participants.
- Phone numbers not in international format might be rejected by the API.
- Insufficient permissions (e.g., trying to make a participant admin without rights) could cause errors.
Error Messages:
- Errors related to "Invalid group ID" suggest verifying the group exists and the ID is correct.
- Authentication errors indicate issues with the API key credential setup.
- Participant-related errors often mean phone numbers are malformed or participants are not part of the group.

Resolving these usually involves checking input parameters, ensuring proper formatting, and confirming API credentials.

Links and References

Wassenger WhatsApp API Documentation (for detailed API capabilities and limitations)
WhatsApp Group Management Best Practices

WassengerInstall