Our friends at Potscript made a detailed Set Up guide about how to integrate Wheelio with Postscript:
https://help.postscript.io/hc/en-us/articles/1260804628930#Create-a-Postscript-API-Key
https://help.postscript.io/hc/en-us/articles/1260804628930#Create-a-Postscript-API-Key
Updated on: 26 / 04 / 2022