What are some alternatives?
When comparing USPS Informed Delivery and BigCommerce, you can also consider the following products
Amazon Logistics - Create your own delivery business. Amazon's UPS competitor.
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
Jiffy - Delivering online shopping 6pm to midnight 🌙(LDN)
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Arrive Package Tracker - The best way to track all of your online orders 📦
Magento - Magento is the eCommerce software and platform trusted by the world's leading brands. Grow your online business with Magento.