hi! you’re right, we charge for all egress traffic between regions. The following 2 threads have some interesting discussion on the details:
- Bandwidth Clarification
- https://community.fly.io/t/do-traffic-over-6pn-within-the-same-region-count-towards-egress-bandwidth/
I can definitely see the value in making our pricing data accessible from the blog and other places, thank you for bringing it up 