Auto import and track USPS International shipments from Shopify, Amazon, Magento, WooCommerce, Wish, eBay, AliExpress, shipstations shop
USPS International Tracking API 
Provide USPS International tracking api for e-commerce developers to get real time USPS International tracking info. Give customers access to track USPS International parcels right at shopping cart and marketplace.
USPS International Shipment Status Update Notification
Send customized email and sms notifications of USPS International shipment status updates to reduce customers' queries when package is in "transit", "Out for delivery", "delivered" and so on.