booking engine

Is a software application that powers the search, selection, and purchase of travel services, turning traveler intent into confirmed reservations in real time. Embedded in websites, mobile apps, and agent portals, it connects front-end user interfaces with back-end inventory systems, global distribution systems (GDSs), and supplier databases. Within the ecosystem of Travel Operations & Distribution,…

online booking

Refers to the digital process through which travelers search, select, and confirm travel services—such as flights, hotels, car rentals, tours, and activities—via websites, mobile apps, or integrated reservation platforms. Within the field of travel operations and distribution, it is the consumer-facing surface of a complex ecosystem of global distribution systems (GDS), channel managers, payment gateways,…

stop sale

Is a temporary restriction placed by a hotel, resort, airline, or other travel supplier on the sale of specific rooms, rates, dates, or inventory through certain channels. Within the intricate machinery of travel operations and distribution, it functions as a tactical control tool, allowing revenue managers and product teams to pause new bookings when demand…

OTA

Is an online travel agency that sells travel products—such as flights, hotels, vacation rentals, car hire, and packaged experiences—directly to consumers through a digital platform. Operating as the most visible layer of the travel distribution ecosystem, it aggregates inventory from airlines, hotel chains, independent properties, destination management companies, and global distribution systems, presenting travelers with…