EPI is a parameter in Adtraction's tracking links that allows you to send data into Adtraction's system. This data is then connected to the conversions that take place through this specific link.

The most common use cases for working with EPI's would be to follow up performance on specific links or being able to attribute sales to specific users.

This is how you add an EPI to an Adtraction link:

http://track.adtraction.com/t/t?a=243&as=110183&t=2&tk=1&epi=your-text-here

EPI can be requested from the Adtraction API and as a token in our callback functionality.

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