The Rapid Test Space (proper name?) is "powered by Vaheala," which "combines coronavirus testing, symptom and risk tracking, and contact tracing technologies to drive custom protocols so that employees and employers know who is safe to work onsite and who should stay home."
A business called Rapid Test NYC opened in Little Italy this fall. BoweryBoogie reported that the test costs between $250-$300 there (and potentially offset by certain health-care plans or flex-spending programs).
For anyone interested in more info, here's what the CDC currently says about antigen tests ... and antibody tests.