curl --request POST \
  --url https://{instance}.domo.com/api/content/v2/groups \
  --header 'Content-Type: application/json' \
  --header 'X-DOMO-Developer-Token: <api-key>' \
  --data '
{
  "name": "New Group",
  "description": "This is a new group",
  "type": "closed"
}
'

{
  "id": "123123123"
}