Pirate Ship offers great USPS discounts, up to 87% off, making it a solid pick...

https://stateofseo.com/what-does-eligible-free-accounts-mean-for-the-shippo-50-credit/

Pirate Ship offers great USPS discounts, up to 87% off, making it a solid pick for sellers focused on America’s mail service. Its email-only support can feel slow, though, and it doesn’t handle DHL Express shipments