DEVELOPER CENTER GET STARTED Create amazing customer delivery experiences with the Best USPS Shipping API. GET STARTED REST API Guide SOAP API Guide Easily add USPS services to any platform Stamps.com allows you to seamlessly integrate USPS services in a robust, yet simple REST API. Access Rates Access all USPS rates and easily compare across all mail classes and services. Print Shipping Labels Buy and print USPS postage for any mail class, domestic or international. Real-Time Tracking Delight your customers with package status events updated along every step of the journey. Why Stamps.com API? With Stamps.com API you have unlimited access to all USPS services and deeply discounted USPS rates. Plus, we give you a powerful set of features that offer end users more options for easier, more powerful USPS shipping. Access Multiple Carriers Enjoy choice, delivery speed and competitive rates with the flexibility of your favorite carrier Global Shipping Made Easy Our Global Advantage Program simplifies international shipping. Access electronic customs forms, instant refunds, and more Fully Branded Labels Promote your business with custom labels featuring your logo and marketing message Hidden Postage Hide actual postage costs on your shipping labels to allow for markups on shipping costs Schedule Pickup Skip trips to the Post Office by scheduling USPS pick-ups right from the software Create SCAN Forms Combine all your packages into one barcode with our convenient SCAN form options Address Validation Avoid returns by validating domestic and international addresses for every label Stamps.com Insurance Deliver peace of mind and 40% savings over retail USPS rates with our package insurance The technology provider of choice for the world’s best companies Looking for the Stamps.com Web Services API? Existing Stamps.com Integrators, or customers who prefer an industry-leading SOAP API, can use Stamps.com SWS/IM API documentation to: Easily print labels. Instantly compare rates. Automatically validate all domestic and international addresses. Batch print all your labels at once. SOAP API GUIDE Products Small Office Mailers Online Sellers Warehouse Shippers Corporate Postage Solutions PhotoStamps Supplies Support Download Software Customer Support How To Videos FAQ System Status Company Stuff About Us Shipping Partners Privacy Policy Do Not Sell My Personal Information Investor Info Careers Affiliates Sitemap Contact Us Developers Developer Overview Developer Registration Developer REST API Guide Developer SOAP API Guide Follow Us Facebook Twitter YouTube LinkedIn Blog Copyright © 1998-2021 Stamps.com Inc. Stamps.com is an independent vendor of the USPS.