curl --request GET \
  --url https://api.upwell.com/api/rest/rules

{
  "rules": [
    {
      "actionType": "CREATE_EXCEPTION",
      "actionValue": "<unknown>",
      "conditionExpression": "<string>",
      "createdAt": "<unknown>",
      "criteriaField": "<string>",
      "criteriaObject": "CUSTOMER",
      "criteriaOperator": "ARRAY_DOES_NOT_HAVE_OBJECT_WITH_PROPERTY",
      "criteriaValue": "<string>",
      "customerId": "<string>",
      "id": "<string>",
      "priority": 123,
      "type": "CARRIER_INVOICE_EXCEPTION",
      "updatedAt": "<unknown>",
      "validationExpression": "<string>"
    }
  ]
}