ShipStack
// Open Source / Shipping SDK
OPEN SOURCE / SHIPPING SDK // ARCH_VIEW_SHIPSTACK
The Technical Overhaul
A type-safe shipping SDK that brings USPS, FedEx, and UPS into one consistent interface for rates, address validation, tracking, and shipment workflows.
Unified Carrier SDK
Provides one TypeScript-first surface for working with USPS, FedEx, and UPS without branching the app around each carrier API.
Tracking And Shipment Workflows
Supports normalized tracking, staged shipment payloads, and backend label creation while handling carrier-specific batching and concurrency rules.
Key Contributions
Unified USPS, FedEx, and UPS integration
Rates, address validation, tracking, and shipment flows
Carrier-aware batching and concurrency handling
Type-safe request and response models
ENGINEERING METRICS
v1.0.0-Beta
Status / Output
TECH STACK
TypeScript
Logistics
SDK
API Design