Los Angeles-based Stamps.com and fellow Los Angeles firm Magento announced today that the two firms have integrated their tools, and are in a partnership. According to the companies, users of Magento's e-commerce software can now use Stamps.com to batch print up to 1,000 pre-paid, USPS shipping labels for any mail class. The integration is targeted at helping Magento's e-commerce customers to fulfill orders from their web stores, eBay, PayPal Shops, and other electronic orders. Details of the business arrangement between the two firms were not disclosed. Stamps.com is a developer of electronic postage software, which allows businesses and individuals to print their own electronic postage. Magento is a developer of electronic commerce and web store software.