Starwood Preferred Guest and Hilton HHonors members can use AwardSpy.com to search for award availability. The service is free and you can create alerts for award nights, including Starwood’s popular Cash & Points. The tool will search for availability all day every day and will send you an email when an award night at your selected hotel is available. You can search for hotels by hotel name, brand, hotel award category and location. The tool is easy to use and you only need to enter your email address and password to register.

Currently, AwardSpy will search for SPG awards at Sheraton, Westin, The Luxury Collection, aloft, Four Points by Sheraton, element, Le Meridien, St. Regis and W Hotels. Hilton brands supported by the tool include Hilton, Doubletree, Embassy Suites, Garden Inn, Hampton Inn, Homewood Suites, Home2 Suites by Hilton and Conrad. The site reads, “we’re continuously expanding the set of hotels that we support” so it’s possible additional hotel groups will be added.