I just entered the name of a random hotel in Bangkok with a 4 day stay. But at no point I was asked about Booking confirmation neither hotel nor for flight. At Bern embassy.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.