When it comes to making reservations related to travel through Worldtraveler.com, it typically depends on the specific service or accommodation provider's policies. Generally, many hotels, airlines, and rental services require a credit card to secure a reservation. This is often used to hold the booking and to cover any potential cancellation fees or incidentals.
However, there may also be options available that allow for reservations without a credit card, such as pay-at-hotel options or some budget airlines. It is always beneficial to check the specific terms and conditions associated with your desired booking on Worldtraveler.com. By reviewing their website, you may be able to find detailed information about payment options and any specific requirements for reservations.