OptionalmethodArgs: {Checks if one or more DiscountCodes exist for the provided query predicate. Returns a 200 status if any DiscountCodes match the query predicate, or a 404 status otherwise.
OptionalmethodArgs: {Creating a Discount Code produces the DiscountCodeCreated Message.
Deprecated OAuth 2.0 Scope: `manage_orders:{projectKey}`
Deprecated OAuth 2.0 Scope:
view_orders:{projectKey}