Shipping APIs

A simple 3-step process to get shipping rates and book shipments with multiple carriers through a unified interface.

Small ParcelLTL

Project URL

https://api.shipduo.com

The 3-Step Process

Process Flow

1. GET Provider List

↓

Provider IDs & Options

2. POST Fetch Rates

↓

Rate Quotes & Pricing

3. POST Book Shipment

↓

Confirmed Booking & Labels/BOL

Supported Shipment Types

Small Parcel

Use For: Packages up to 150 lbs

Carriers:
UPSFedExDHLUSPS
Services:
GroundExpressOvernight
LTL (Less Than Truckload)

Use For: Freight 150+ lbs

Carriers:
SAIAR+L CarriersOld Dominion
Services:
StandardExpedited Freight
Quick Start
  1. Get Providers

    Call provider list API with shipment type

  2. Compare Rates

    Fetch rates from multiple providers

  3. Book Shipment

    Select best rate and create booking

Authentication
All endpoints require API key authentication
headers: {
  "Authorization": "Bearer YOUR_API_KEY",
  "Content-Type": "application/json"
}
Include in request headers for all API calls

Next Steps