"To receive the bonus points" means that you will get extra points or rewards as a special benefit or reward for something you have done. Full definition
It also receives bonus point for only taking 15 - ish minutes to prepare too. (faring-well.com)
They'll also receive bonus points for booking travel through the site and additional discounts on hotels, car rentals, and resorts. (creditcards.com)
In addition, in most cases, you will not receive the bonus points if your transaction is made with an electronic wallet or through a third party. (dannydealguru.com)