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*AfterShip provides package tracking services only. For inquiries about order details, please contact your retailer.

Advance features

At United Delivery Service, we are a Chicago based small parcel regional carrier, delivering packages next day throughout our footprint. Our footprint consists of IL, IN, and WI, with all packages delivered next day, B to B and B to C. We offer VPOD and text notifications on all deliveries.

Enhance the entire post-purchase experience with AfterShip

Google Drive
Google Drive
Google Drive
Google Drive
Google Drive
AfterShip
Google Drive
Google Drive
Google Drive
Google Drive
Google Drive

Integrate United Delivery Service and Multi-Carrier Tracking APIs

Easily integrate shipment tracking into your system or website for a seamless tracking experience. AfterShip's tracking API allows you to offer shipment visibility across multiple touchpoints without stretching your development resources.
  • Global coverage: 1,100+ carrier integrations and 52+ languages
  • Accuracy: Normalized data and standardized 7 main-statuses and 33 sub-statuses
  • Data integrity: AI helps recognize new tracking number patterns
  • Uptime & Reliability: 99.99%+ uptime, ISO 27001, SOC2, and GDPR compliance
Learn more about United Delivery Service integration >
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