United States Theater API API endpoints for querying the theaters available in United States. United States Theater Chains image/svg+xml Regal Theatres 433 theaters availables. AMC Theatres 480 theaters availables. Cinemark LogoCinemark LogoCinemarkLogoLogotipoPNGTransparentSVGVectorTheatreCine Cinemark Theatres 230 theaters availables. Harkins Theatres 32 theaters availables. Marcus Theatres 78 theaters availables.