Secure authentication and delayed transaction processing for booking management systems is provided. Third-party services partner with booking management systems to aggregate and list offerings of the third-party services in a digestible display on a one-stop platform. A booking management system can manage the authentication of payment card information on behalf of any number of such third-party services. The booking management system can maintain and process authentication information associated with traveler payment cards, and provide virtual payment information to the third-party services for payment following chargeable events. The third-party services may later initiate a transactions using the virtual payment information, without being required to perform authentication processing on the traveler payment card information maintained by the booking management system.