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Incremental Refresh Using M Query and paginated API

I'm trying to use an M Query to pull data from a paginated API. Currently the M Query works to pull all the paginated API data using
The above line is run through a loop until there are no results returned.

When I try and use Incremental Refresh the service fails to refresh the data source. Is there a way to use Incremental Refresh to obtain Paginated API data via an M Query?

Super User
Super User

Incremental Refresh is date time based. You need to have a filter transform in Power Query that includes the RangeStart and RangeEnd parameters.  So your API call must allow you to limit date time ranges. Then you can hand over these parameters to the API call, do your pagination, and return the combined data for that date time range. 


NOTE:  This is INCREMENTAL refresh, not DIFFERENTIAL refresh. It does not handle data changes well.

Hi @lbendlin


Thanks for the reply. To be more specific when I have added RangeStart and RangeEnd based on this guide: I append RangeStart and RangeEnd to the URL string that is used in: Json.Document(Web.Contents(Url)) as a query param. I can change the RangeStart and RangeEnd parameters reload the data and the dataset loaded into Power BI desktop shows new data based on the updated parameters. After I have setup the M Query I then publish the Power BI Query to a service (I believe incremental refresh is only possible when using a service). However when I have a look at the service I see the following error message about scheduled refresh. 



Does this error message mean that the Url i'm using cannot be reached by the service or does it mean that M Queries cannot be used with scheduled refresh?


Thanks again for your assistance so far with this issue. 


Kind Regards, 


where does the link go?

Link goes to the server with the API. However when we are using the destop version the pc would route to the API differently compaired to a service hosted in the cloud. So i'm guessing what your saying is that yes the service can't see the API and that's why I'm getting the error? I just need to fix connectivity?

Sorry, I meant where the "Discover Data Sources"  link goes.

The link goes to It wasn't hepful at all. 

Without access to your API I can't help more (and you may not want to give that access) . If you have a Pro license you can consider raising a Pro ticket at

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