post https://api.zinrelo.com/v2/loyalty-storefront/transactions/reject
This endpoint will reject the pending redemption corresponding to its issued coupon code. This endpoint will retrieve the data identified from access token and partner id. Access token will generated from your end. For more details on this, refer to API Authentication.
Note:
This API is exclusively for Shopify-supported stores.
Note: You can get a coupon_code from Redeem API response.