curl --request GET \
  --url https://api.example.com/v1/crm/constants/

{
  "INVENTORY_CATEGORIES": "<string>",
  "SERVICE_TYPE": "<string>",
  "CLIENT_ATTRACTION_METHOD": "<string>",
  "CLIENT_LEGAL_TYPE": "<string>",
  "CLIENT_TICKS": "<string>",
  "RENTAL_POINTS": "<string>",
  "APPLICATION_READY": "<string>",
  "INVENTORY_GROUP_TYPE": "<string>",
  "TARIF_TIME_PERIODS": "<string>",
  "ORDER_REQUEST_STATUS": "<string>",
  "PAYMENT_TYPES": "<string>",
  "INVENTORY_STATE_STATUS": "<string>",
  "EXPENSE_CATEGORY": "<string>",
  "EXPENSE_COUNTERPARTY": "<string>",
  "PASSPORT_ISSUERS": "<string>"
}