Hello there,

Yes, once your license expired, your API Key cannot be used to download language file anymore and it will show you this screen > http://screencast.com/t/Kagk19eMOXlM
You still be able to use your API Key for your other product that have active license though.

Currently we have promotion for EasySocial renewal. You can use this code EDES22 to get 22% off your renewal