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Who We Help
Platforms
3PL Shipping API
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Features
Elements
Order Consolidation
Shipping Rate Comparison
Tracking API
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Carriers
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BUILD YOUR OWN INTEGRATION
ShipStation API Connect
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DOCUMENTATION
Getting Started
Developer Guides
Full API Reference
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TOOLS
Postman Collections
Libraries and SDKs
OpenAPI 3.0 Definition
API Status
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Intro to ShipStation API
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Madison
Unruh
2025 USPS Rate and Service Changes
Updated as of 6/30/25. The United States Postal Service (USPS®) typically adjusts its postage rates at least once a year, sometimes more often. At ShipEngine, we’re here to help keep…
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The Top Shipping Industry Challenges and How To Address Them
Are shipping challenges hurting your operations? You’re not alone. Ecommerce brands have to navigate various shipping industry challenges and changes, from rate changes to delivery disruptions. The right tools can…
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