curl --request GET \
  --url https://api.example.com/api/v2/external/billing/activities

{
  "activities": [
    {
      "activity_id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "type": "<string>",
      "amount": 123,
      "description": "<string>",
      "status": "<string>",
      "hardware_profile": "<string>",
      "croesus_billed": 123,
      "user_id": "<string>",
      "org_id": "<string>"
    }
  ],
  "total_activities": 123
}