The DHL PHP library by Al-Fallouji Bashar offers to interact with the API services in XML such as shipment and courier pickup, logistics, and tracking time. These features could be useful to integrate into websites, applications, and even processing systems. On GitHub, Bashar has included examples to get quotations from a shipment, display a PDF label, and request a shipment.
Zinc bridges the gap between bloggers and content creators and the retailers that sell the products reviewed and covered. The Zinc API allows anyone with an online presence to add a few lines of code to a site or app and seamlessly add ordering functionality. Zinc integrates with various online retailers; so, readers/consumers no longer need to leave a site to order a product from a major online retailer.
The Saia API helps this first class less-than-a-truckload (LTL) carrier deliver by giving developers access to tracking information inside their applications. Rate quotes and pick up scheduling are also accessible. The API uses SOAP and XML, and is implemented using Microsoft's .NET Framework.