Shipping APIs: How to Connect Your Business System to Transportation and Delivery Providers
Altexsoft
SEPTEMBER 8, 2021
Today, Application Programming Interfaces , or APIs, are everywhere. 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. The USPS Shipping API Server communicates over HTTP using XML.
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