A webhook is an automated HTTP callback that sends real-time data from one application to another when a specific event occurs. In vacation rental management, webhooks are used to trigger actions across integrated systems — for example, when a new booking is created in the PMS, a webhook can notify a cleaning management tool, update an accounting system, or send a custom notification. Unlike APIs that require periodic polling, webhooks push data instantly when events happen, enabling real-time automation.
Why this matters for property managers
Reacting to a new booking, cancellation, or payment the instant it happens, rather than on the next scheduled check, is what lets automations fire on time: the lock code goes out, the calendar closes, the cleaner is notified. Polling for changes wastes resources and introduces the lag where double bookings and late messages slip through. For an operation that leans on integrations, reliable event notifications are the nervous system that keeps every connected tool acting on current information.
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