/promotionCodes.jsonget https://api.fundraisingbox.com/v1/promotionCodes.jsonReturns a collection of promotion codes.Filter by criteria GET /promotionCodes.json?type={value} Returns a collection of promotion codes that fits to the given criteria. These criteria are currently available: CriterionDescriptiontypetypeType to which the promotion code belongs to.Enum ("project", "source", "type")