2.18.3. Response
| Field | Description | Type |
| discount_id | Discount ID | integer |
| date_start | Start date, format yyyy-mm-dd hh:mm:ss | string |
| date_stop: | Expiration date, format yyyy-mm-dd hh:mm:ss | string |
Error codes
| Field | Description |
| 200 | Done |
| 500 | HTTP code 500 with error message |