Balance Watch monitors a loyalty account to alert you as soon as your balance changes. Points from American Express, Chase, Citi, Marriott, and Capital One don't always post instantly when you transfer them to partner loyalty programs.
When you find award availability for a flight or hotel, transfer your points and then use this service to make sure you can confirm your reservation before the availability disappears. Once activated, AwardWallet will check your account frequently and send you a desktop, mobile, and email notification as soon as a change is detected.
Here is a quick explainer video recorded by our friends from TripAstute: