Pirate Ship stands out with USPS discounts up to 87%, making it a savvy pick...

https://papa-wiki.win/index.php/Does_Shippo_Really_Offer_Strong_UPS_Rates_Compared_to_Other_Tools%3F

Pirate Ship stands out with USPS discounts up to 87%, making it a savvy pick for heavy USPS shippers. However, if you need DHL Express or prefer live support over email-only help, Shippo might be a better fit