Dear Vishal,
Check below link.
https://www-01.ibm.com/support/knowledgecenter/SSPT3X_2.1.2/com.ibm.swg.im.infosphere.biginsights.ad...
It says that BigInsight allows REST Connectors. And QlikSense also uses REST connectors to connect third party application.
Not sure, if this is the final solution, but you can explore more on this.
Regards,
Kaushik Solanki
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