Blynk 2.0 uses
Yes it does, it’s in the Device Info page of the web portal, left hand column, half way down.
The syntax for the Blynk 2.0 HTTP(S) API is different…
Also, don’t do it like the screenshot you posted. Use the GET method for everything and put it all in the URL field of IFTTT.
Test the API call by pasting it into your web browser before putting it into IFTTT.