Stellantis vehicles (Peugeot, Citroen, DS, Opel, Vauxhall) integration HomeAssistant

Someone earlier in the thread posted to add the following … but just wondered what this does?

http://127.0.0.1:5000/get_vehicleinfo/YOURVIN?from_cache=1

Also … I do have the re-authenticate every few days … when my status become unknown/unavailable … is there any resolution to fixing that?