How to load newest data, without reloading all the data?

[Demlet]

I am pulling data from an an API that doesn't have pagination. My workaround to this was to load all the old data into QlikSense via a file, then have the rest connector update each month/day with the latest data.

Old data spans from 5/1/2016 to 5/1/2018. Loaded via AttachedFile.

New data will be for each month after this via REST Connector, so 5/2018-6/2018, then each month following.

The problem I am realizing is that when the new data reloads each month via REST API GET, it will wipe out / replace, the previous months data

How do I keep the data saved after each re-load, and add to it's results rather than refreshing it?

Thanks in advance

[petter]

You can make use of QVD-files for the purpose of keeping a complete history and adding to it on a regular basis.