OptionalmethodArgs: {OptionalmethodArgs: {Creating a Standalone Price produces the StandalonePriceCreated Message.
- If the Standalone Price has the same price scope as an existing Standalone Price, a [DuplicateStandalonePriceScope](ctp:api:type:DuplicateStandalonePriceScopeError) error is returned.
- If the Standalone Price has overlapping validity periods within the same price scope, a [OverlappingStandalonePriceValidity](ctp:api:type:OverlappingStandalonePriceValidityError) error is returned. A Price without validity period does not conflict with a Price defined for a time period.
Checks if one or more StandalonePrices exist for the provided query predicate. Returns a
200status if any StandalonePrices match the query predicate, or a404status otherwise.