OctopusTravel is a hotel booking site offering an inventory of over 140,000 hotels worldwide. Users with websites that cater to visitors interested in travel can become affiliate partners with OctopusTrvael. The affiliate program gives partners the chance to earn commissions for online bookings. OctopusTravel offers a full XML API for affiliates that give them the option to be a merchant or offer access to the payment gateway. Full documentation for the API is not publicly available.