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

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 smart pick for sellers focused on USPS shipping. But if you need DHL Express or prefer live support beyond email, Shippo might suit you better