The Share A Refund Fuel Surcharge Rate API lets you access historical and current fuel surcharge indices for major carriers. You can develop applications that integrate with Share A Refund to audit fuel costs, forecast shipping expenses, and validate carrier billing accuracy against published indexes.

The following figure shows the relationship between your Share A Refund app, the Share A Refund API, and Fuel Surcharge Rates.

Fuel Surcharge Rate API diagram svg

Figure 1. Share A Refund API relationship diagram.

Share A Refund App

Share A Refund’s fuel surcharge services give users visibility into the fluctuating costs of fuel, allowing businesses to anticipate changes in shipping rates and verify that carriers are applying the correct percentages based on date and service type.

Share A Refund API

The REST API that allows users to retrieve weekly fuel surcharge percentages and applicable date ranges from within your app.

Index Tracking

A system that monitors official carrier publications and government fuel indices (such as DOE diesel prices), maintaining an accurate record of rates over time.

Cost Verification

A mechanism that cross-references invoice dates with historical fuel rates to identify overcharges or discrepancies in fuel billing.

What can users do with the Share A Refund Fuel Surcharge Rate API?

Users can use the Share A Refund Fuel Surcharge Rate API to perform common workflows, such as:

  • Retrieve the current week’s fuel surcharge rates for specific carriers
  • Access historical fuel rates for past invoice auditing
  • Compare ground vs. air/express fuel surcharge percentages
  • Forecast upcoming fuel costs based on index trends
  • Validate fuel charges on specific shipments based on ship date
  • Download rate tables for internal financial modeling


Fuel Surcharge properties available to view, query, and analyze through the Share A Refund Fuel Surcharge Rate API:

  • Carrier Indices
  • Effective Dates
  • Historical Rates
  • Service Types (Air/Ground)

Additional info

Learn more about developing with Share A Refund Fuel Surcharge Rate API, including handling authentication, authorization, reference the Develop on Share A Refund API for your workspace. More

Learn more about how to launch and run a Share A Refund Fuel Surcharge Rate API app, read the Developer Getting Started Guide. More