1. A path, road, or course of travel that is not officially recorded, mapped, or recognized by authorities
Smugglers used undocumented routes to cross the border undetected.
Contrabandistas usavam rotas não documentadas para cruzar a fronteira sem serem detectados.
2. In computing, a software function or API endpoint that is not officially documented or supported
Developers discovered an undocumented route in the API that provided additional functionality.
Desenvolvedores descobriram uma rota não documentada na API que fornecia funcionalidade adicional.