Pirate Ship scores big with USPS discounts up to 87%, making it a real steal...

https://bizzmarkblog.com/pirate-ship-vs-shippo-for-beginners-which-is-less-confusing/

Pirate Ship scores big with USPS discounts up to 87%, making it a real steal for sellers who ship mainly USPS. But if you need DHL Express or prefer more support options than email only, Shippo might be the smarter pick