Cancels the subscription (unfollow). Future messages stop arriving and the newsletter disappears from GET /list. The identifier is passed as a query string (not in the body), since this is a DELETE.
Cancels the subscription by passing the canonical newsletter JID through the query string. Future messages stop arriving and the newsletter disappears from GET /list.
The response returns the canonical newsletter JID in channelJid (resolved from the identifier passed in the query, even if it was a link or code). After this return, the newsletter is removed from /list and future messages stop arriving.
200 OK
{ "success": true, "message": "Successfully left newsletter", "channelJid": "120363422585881117@newsletter"}
If you are the owner / admin of the newsletter, leave only unsubscribes you, the newsletter keeps existing. To delete the newsletter, use the official WhatsApp interface.
DELETE without a body is the convention; a JSON body is ignored.
There is no dedicated “unfollowed” event on the webhook; newsletter messages simply stop arriving.