LEARN MORE FAQ WHY USPS? WHY UPS? GET STARTED LOG IN Home Shipping Shipping Integrations Shipping Integrations Stamps.com is integrated with the shipping industry’s leading order management and e-commerce solutions including Trueship’s ReadyShipper, Auctane and more. E-Commerce shipping integration partners’ customers can use Stamps.com to create shipping labels, calculate the shipping cost of packages, standardize domestic addresses via USPS CASS certified Address Matching Software, and track shipments. Simply sign up for the Stamps.com service through any of our partner’s products listed below and begin printing postage today! Featured Partner: ShipWorks Reliable and powerful shipping solution for ecommerce sellers and warehouse shippers.LEARN MORE All Integrators Shopping CartsMulti-CarrierMarketplaces FIND A SPECIFIC VENDOR Free* 5 lb. Digital Scale with Sign-up Every new customer account starts with: Free* 5 lb. Digital Scale with sign-up 4-week trial $5 in USPS postage to use in trial period USPS rate discounts you can’t get at the Post Office No long-term contracts, cancel anytime Only $17.99 per month plus applicable taxes, if any, including the first month if you stay past the 4-week trial *pay only S&H fee GET STARTED Products Small Office Mailers Online Sellers Warehouse Shippers Corporate Postage Solutions Buy Supplies Support Learning Center How To Videos FAQ Download Software Contact Us System Status Company Stuff About Us Privacy Policy Terms and Conditions Do Not Sell My Personal Information Careers We’re Hiring! Resources Developers Shipping Partners Investors Affiliates Site Map Follow Us Facebook Twitter YouTube LinkedIn Blog Stamps.com is an independent vendor of the USPS. Copyright © 1998-2021 Stamps.com Inc.