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toggle navigation REGISTER DEVELOPER CENTER Home Reference Guide Features and Benefits Developer Products Partner With Us Our Partners Home Reference Guide Features and Benefits Developer Products Partner With Us Our Partners Live Chat DEVELOPER REGISTRATION The #1 USPS Postage API Easily integrate USPS mailing and shipping into your software The choice of industry leaders like Amazon, IBM, HP, and USPS Click-N-Ship ® Connect with a robust platform that has processed over 2.5 billion transactions Supported by an award-winning customer service team Free Developer Account Developer Registration Learn More Full Suite of Capabilities Rate, ship, print and track packages from within your software Verify addresses and improve deliverability for your customers Manage history and deliver analytic reports with just a few lines of code Developer Registration Learn More Platform Independent Access web services technology that can meet the demands of any project Build both advanced desktop and cloud-based solutions Work with what’s comfortable for you and develop on any major platform Developer Registration Learn More Simple Implementation Unlimited access to developer guides and reference documentation that lay out the API for you Access a range of developer-focused content for both experts and novices Build and test on a safe sandbox environment without incurring any costs Developer Registration Learn More Hands-on Support Contact IT Specialists by email or phone for questions and support Connect with other developers or tech forum moderators to crowd-source solutions Developer Registration Learn More Developer Products Select from a wide range of easy-to-implement products to meet your specific USPS Postage needs. Learn More > Partner with us Looking for ways to grow? Bring value (and customers) to your business by partnering with us Learn More > Shipping Consultation Looking to streamline operations, improve logistics and optimize workflow? Get in touch with a Shipping expert. Learn More > 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 We’re Hiring! Affiliates Site Map Contact Us Developers Developer Overview Developer Registration Developer Reference Guide Developer Products Follow Us Facebook Twitter YouTube LinkedIn Blog is an independent vendor of the USPS. Copyright © 1998-2021 Inc. 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 We’re Hiring! Affiliates Site Map Contact Us Developers Developer Overview Developer Registration Developer Reference Guide Developer Products Follow Us Facebook Twitter YouTube LinkedIn Blog is an independent vendor of the USPS. Copyright © 1998-2021 Inc. × Close Your Offer Service Fee and Trial Details If you stay with past the trial period, you will be charged $17.99 a month plus applicable taxes, if any, for the service, including the first month. You can cancel your services at any time. FREE 5lb Digital Scale As a new customer you will receive a FREE 5 lb. Digital Scale. The scale is a $50 value and is yours to keep with no additional obligation. Just pay for shipping and handling (typically $9.99 or less). $25 Postage Offer As a new customer you will receive $5 in free postage that you can use during your trial period. After you complete your trial period, you are eligible for an additional $20 in postage. We will give you two $10 postage coupons. You can redeem one coupon per month once you complete your trial. FREE Supplies Kit To help you get started we will ship you a free Supplies Kit that includes free postage labels to use with the service (a $5 value). However, you don't need to wait for the Supplies Kit to arrive in order to print postage. You can immediately take advantage of features such as printing shipping labels on plain paper or printing postage directly on envelopes!...