The Google Shopping Content Python SDK by Google access the JSON API, providing opportunities to list ads, drive traffic, and increase sales. Along with Api Key authentication and OAuth 2.0 authorization, resources explains how to build a service object, nest collections, make requests, and work with responses. Django support available.
ShippingEasy consists of a cloud-based platform that allows online merchants to manage the processing and tracking of orders from a single interface. Merchants can integrate shipping information from multiple sites (e.g. eBay, personal site, physical warehouse, etc.) with the same interface and shop rates across various carrier lines. In addition to over ten existing integrations with e-commerce sites (e.g. Magento, eBay, Shopify, etc.), ShippingEasy offers a custom API that allows developers to incorporate the ShippingEasy platform into third party apps and sites.