How to integrate REST API which has dynamic value in URL

hirdesh19

You could try to add a custom column to call the REST API with the TicketId. See a demo with Facebook APIs. However such kind of dataset is not supporting data refresh in Power BI Service.

let
    Source = Json.Document(Web.Contents("https://graph.facebook.com/v2.9/me/friends?access_token=EAACEdEose0cBAHnSLXCAclB4u3BbsLAu5IZC9P4iSGtENh8sp6cXMxLKsxVlsqyAxT2ornkzd4w0zoQKZCXJYA2PbJ1lxEl9v1TUNYgx7j6pfn8nC1HT6cZBi8vZAVJil2jJx8NZBUdAvw6YZCl2mec3AEvQRnFV1zdTvryMOobBmgs0pYVJ4l1U0YFWHoNeEZD&debug=all&format=json&method=get&pretty=0&suppress")),
    data = Source[data],
    #"Converted to Table" = Table.FromList(data, Splitter.SplitByNothing(), null, null, ExtraValues.Error),
    #"Expanded Column1" = Table.ExpandRecordColumn(#"Converted to Table", "Column1", {"name", "id"}, {"Column1.name", "Column1.id"}),
    #"Renamed Columns" = Table.RenameColumns(#"Expanded Column1",{{"Column1.name", "friendName"}, {"Column1.id", "friendID"}}),
    #"Added Custom" = Table.AddColumn(#"Renamed Columns", "Custom", each Json.Document(Web.Contents("https://graph.facebook.com/v2.9/"&[friendID]&"?access_token=EAACEdEose0cBAHnSLXCAclB4u3BbsLAu5IZC9P4iSGtENh8sp6cXMxLKsxVlsqyAxT2ornkzd4w0zoQKZCXJYA2PbJ1lxEl9v1TUNYgx7j6pfn8nC1HT6cZBi8vZAVJil2jJx8NZBUdAvw6YZCl2mec3AEvQRnFV1zdTvryMOobBmgs0pYVJ4l1U0YFWHoNeEZD&debug=all&fields=about&format=json&method=get&pretty=0&suppress_http_code=1"))),
    #"Expanded Custom" = Table.ExpandRecordColumn(#"Added Custom", "Custom", {"about"}, {"Custom.about"})
in
    #"Expanded Custom"

By the way, for me, when interact with complex REST APIs, I'd create an external console application to call whatever API needed and save the data in some file and database. The file and database can be refreshed by scheduling the external app running in a certain interval. Then things can be very easy when connecting from Power BI to a file or database.