Originally Posted by
iknowthings
There are third party websites that add their IATA number to the booking and give you part of the commission as a "cash back" thing.
MyPoints, Rakuten, Swagbucks and the like are all clickthrough sites like that which send you to the loyalty program’s web site directly so you usually get a little bit back while still preserving your ability to earn points and get status benefits on your stay.