This can be an open-ended question because each provider may define it differently.
Essentially, multi-carrier shipping software is carrier-agnostic supply chain software
that enables retailers, manufacturers and third-party logistics (3PL) companies to
provide the best shipping cost and carrier options at checkout, automatically generate
carrier-compliant labels, manifests and other required documentation, and present
shipping options that consumers want. These transportation software tools optimize
service and efficiency, control costs, and ensure orders get on the right truck faster
(and that keeps consumers coming back).
What
is multi-carrier
shipping software?
2 proshipinc.com