How does Pirate Ship earn money?

Pirate Ship, a free shipping software company, earns its revenue through official partnerships with USPS and UPS, offering significant discounts on their services. There are no hidden costs, subscription fees, or price markups for using Pirate Ship. The company‘s revenue comes from its relationships with USPS and UPS, and it may also profit from the difference between commercial shipping rates and the negotiated rates it can offer these carriers.