We have developed a payment gateway and order creation part is working fine.
When we tried to make the refund from our dev store, we haven't received any data from the Shopify store. Then we noticed that the request is blocked in one of our network security layer because of the payload comes from different IPs each time. We have white-listed 22.214.171.124 for Dev and 126.96.36.199 for live on our network security. But refund comes from different IPs every time. For example,
Is it possible to get the refund data from a static IP?