According to the USPS website, Regional Rates have been discontinued:
Effective January 22, 2023, Regional Rate Box pricing has been
discontinued. Remaining Regional Rate Boxes can still be used for
shipping, but they will be treated as weight and ra...
I resolved this for my stores: In ShipStation Go to Selling ChannelsGo
to Store SetupGo to Edit Marketplace ConnectionEnter your Etsy
usernameGet this by signing into Etsy, go to your profile, then copy the
name or random string of characters after
I'd love to see this integration - if ShipStation wants to act as a
shipping management locus then it needs to allow us to account for and
track non-shipstation generated postage. A simple import facility would
make this easy and non-intrusive on oth...