title is optional — the server defaults it to New Group. description defaults to an empty string.curl --location 'https://api.pibox.com/v1/account/groups/create' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"team_id": 737,
"title": "Mastering",
"description": ""
}'{
"group_id": 4438
}