Paid subscriptions though the mydlink app are now available in the US. Only the DCS-8000LH, 8010LH, 8100LH, 8300LH, and 8525LH support this feature.
Launch mydlink app and tap the settings icon (3 horizontal lines in the upper left corner) and select Cloud Recording.
Available Paid Plans (as of May 4, 2018 - prices and plans may change - in-app purchase - US dollars):
- 7 Day storage, up to 3 cameras - 2.49/month or 24.99/year
- 14 day storage, up to 5 cameras - 4.99/month or 49.99/year
- 30 day storage, up to 10 cameras - 9.99/month or 99.99/year
There is a free plan - 1 day storage for up to 3 cameras.