This extension ingrates Royal Mail Shipping API V2 with Magento Shipping process. Easily create shipment and print shipping label. Seller can manage shipping rates using rate matrix. Seller can create Manifest and print customer collection receipt using magento interface. Also have additional feature to ship orders in mass.
This extension allows you to ship orders with 13ten. You can generate shipping labels from magento interface and automatically upload shipments to 13ten. Add shipping rates based on weight and other conditions.