WasenderAPI

API Documentation

WasenderApi WhatsApp API

API Documentation

Groups

Manage WhatsApp groups directly from your connected sessions. This includes creating groups, retrieving group details, adding or removing participants, and sending messages to group chats.

Create a New Group

POST/api/groups

Creates a new WhatsApp group with a given name and a list of participants.

Get All Groups

GET/api/groups

Retrieves a list of all WhatsApp groups the connected account is a member of.

Get Group Metadata

GET/api/groups/{groupJid}/metadata

Retrieves metadata for a specific group (e.g., subject, description, creation date, owner).

Send Group Message

POST/api/send-message

Sends a message to a specific WhatsApp group using its Group ID.

Update Group Participants

PUT/api/groups/{groupId}/participants/update

Promote or demote one or more participants in a specific group.

Get Group Participants

GET/api/groups/{groupJid}/participants

Retrieves a list of participants for a specific group. Warning: If the list is empty, it may mean no participants are currently synced or available, or the initial sync is still in progress. If you connected your session before 5/8/2025, you must reconnect it to sync them correctly.