Pirate Ship offers great USPS discounts—up to 87% off—and free, phone-based...

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

Pirate Ship offers great USPS discounts—up to 87% off—and free, phone-based support that’s easy to reach. It’s perfect if you mainly ship USPS and want straightforward pricing