Shipping APIs: How to Connect Your Business System to Transportation and Delivery Providers
Altexsoft
SEPTEMBER 8, 2021
USPS is the cheapest and is usually the carrier of choice for small businesses that handle lightweight shipments. USPS is a government-run company that provides postal services in the US. USPS Shipping for Business offers a variety of tools, including the USPS Web Tools API Portal. protocol for authorization.
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