There are two types of companies that will try and sell you an Inca trail tours: registered tour operators and middle men, otherwise known as endosars. The registered Inca Trail tour operators are a small quantity that run, sell, and operate their own Inca Trail Packages.
All operators will ask you for a deposit which is generally NON-REFUNDABLE. It is non-refundable simply because the MINISTERIO DE CULTURA does not give back the agencies any money when a passenger cancels or changes a date. The operator then has to re-apply for a new permit if passengers change dates. Agency have different Payment methods.