Chrome Tool for testing websocket communication with Qlik Sense

You may be familliar with postman for doing REST calls to the Qlik APIs.

You can also test websocket queries using this tool:

https://chrome.google.com/webstore/detail/smart-websocket-client/omalebghpgejjiaoknljcfmglgbpocdp

Its pretty useful for testing network connectivity when working with Qlik Sense apps and mashups.