Donkeyts.com does not specifically mention a referral program for customers on their website. However, they do offer various promotional deals and discounts from time to time, which can benefit both new and existing customers. It is always a good idea to check the current promotions listed on their website to see if there are any ongoing offers that you might find attractive. Additionally, some companies do implement referral programs at different times, so it may be useful to look for any updates or announcements related to such initiatives. For the most accurate and up-to-date information, customers may want to explore the relevant sections of the website or review any newsletters or social media posts provided by Donkeyts.com.