How to track conversions from the service pozvonim.com?

In the settings API is sending data to Analytics, but when the test period the extended version ends, the function stops working. How can detours be configured to record conversion?
Maybe somehow out to get you?
An example widget code:
<script async type="text/javascript" src="//api.pozvonim.com/widget/callback/v3/bc0642be22052cf391890be6b947019d/connect" id="check-code-pozvonim" charset="UTF-8"></script>

The website for example.
There is a description of API, but I doubt that without paying something you earn.

PS. There are a few customers, and because of all of the advanced functionality is needed only the conversion of each ship on 6тыр/g makes no sense.
July 8th 19 at 12:22
1 answer
July 8th 19 at 12:24
Better this test, it is easier. https://moclients.com

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