Endicia Internet Postage is a service from Envelope Manager Software, a leader in desktop mail software, with over 15 years of experience in the postal industry. Envelope Manager Software's mission is to provide leading technology to the mailing industry. We were the first company to offer Windows-based presort mail software, WYSIWYG mailpiece design software, Internet address verification, Internet move updating, Internet Postage with Electronic Delivery Confirmation, and Internet Postage with International Mail. We invented and patented technology for remote address verification, the personal postage system, and the virtual postage meter.

Customers count on FedEx to simplify their lives and connect their businesses to the global marketplace. Infopia's direct API integration connects you with FedEx to print postage with your customized rates, from within the Marketplace Manager Application!

ShipWorks is software that helps online sellers manage and ship their orders. ShipWorks automates tasks, prints live shipping labels, and acts as a hub for customer service. Streamline your shipping process with free integration into ShipWorks. Automate tasks, manage orders and maintain customer shipping information. Free 30-day trial available.

Today, the Postal Service™ delivers hundreds of millions of messages each day to more than 141 million homes and businesses. Marketplace Manager integrates with USPS and the Endicia platform enabling you to print labels and postage right from your computer.

UPS is a global company with one of the most recognized and admired brands in the world. They have become the world's largest package delivery company and a leading global provider of specialized transportation and logistics services. Every day, UPS manages the flow of goods, funds, and information in more than 200 countries and territories worldwide. Marketplace Manager, in combination with UPS WorldShip, allows you to handle all of your UPS shipments including tracking information.