get https://api.smartpay.co/v1/promotion-codes/
Errors
In addition to the Errors applicable to all API endpoints, the following errors are specific to retrieving a promotion code:
| status code | error code | description |
|---|---|---|
| 404 | promotion-code.not-found | No promotion code was found meeting the requirements. Make sure to use the right promotionCodeId and API key. test objects can only be accessed using test keys and live object with live keys. |