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- 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
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- Rate, ship, print and track packages from within your software
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- Manage history and deliver analytic reports with just a few lines of code
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- 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
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- 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
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- Contact Stamps.com IT Specialists by email or phone for questions and support
- Connect with other developers or tech forum moderators to crowd-source solutions
Developer Products
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Partner with us
Looking for ways to grow? Bring value (and customers) to your business by partnering with us
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Shipping Consultation
Looking to streamline operations, improve logistics and optimize workflow? Get in touch with a Stamps.com Shipping expert.
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