But the shipping rates for the order is not generating and I get ‘Invalid shipping method‘ error.
In my site, there is two type of shipment tracking we provide. one is USPS and UPS. How customer can select the shipment service based on their address.
Please help me with the issue. Waiting for your quick response.
The shipment tracking pro plugin is used for tracking shipments of various shipping carriers.
It does not fetch real time rates.
For real time rates, you would need to use the individual plugins of USPS and UPS. These plugins also provide tracking functionality. So according to your requiement, you may not be requiring tracking pro altogether.