EL SEGUNDO, Calif. – April 30, 2013 –® (Nasdaq:STMP), the leading provider of USPS postage online and shipping software to over 450,000 customers, today announced its new integration with ChannelAdvisor, a cloud-based e-commerce services company that allows online retailers to manage their sales more efficiently.

The integration gives ChannelAdvisor customers powerful new tools to streamline their order fulfillment process. With the software, customers can automatically import orders and print shipping labels for all USPS mail classes, both domestic and international. The software posts order status details such as the USPS tracking number, shipping date, and mail class to the ChannelAdvisor customer’s account. Additional features now available to ChannelAdvisor customers include postage rate discounts, hidden postage, thermal printer support, automated customs forms, return shipping labels, and more.

ChannelAdvisor offers online retailers a comprehensive suite of e-commerce services to integrate, manage and optimize their merchandise sales across hundreds of online channels. Leveraging its global presence, the company enables e-commerce retailers to connect with a far-reaching customer base using advanced solutions like web stores, rich media, and feed customization.

“USPS shipping is the low-cost leader for e-commerce order fulfillment,” said Ken McBride, Chairman and CEO. “This integration gives ChannelAdvisor customers more options for cost-effective shipping, and access to our intuitive software that will speed up order fulfillment.”

This integration is available at no additional cost to new and existing customers of

About (Nasdaq:STMP) is a leading provider of Internet-based postage services.’s service enables small businesses, high volume shippers, enterprise shippers, and consumers to print U.S. Postal Service-approved postage with just a PC, printer and Internet connection, right from their home or office. The Company currently has PC Postage partnerships with Avery Dennison, Microsoft, HP, the U.S. Postal Service and others., the logo and PhotoStamps® are trademarks or registered trademarks of Inc. All other brands and names are property of their respective owners. Investor Contact: Investor Relations
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Press Contact:
Eric Nash
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