Private test release · Marketplace submission not yet started

Carrier surcharge schedules

Turn diesel indexes into a surcharge schedule everyone can audit

Generate a carrier-ready workbook with national and regional diesel indexes, an explicit index-minus-base calculation, fleet MPG, and a twenty-band surcharge table.

Built for

Carriers, brokers, shippers, and transportation-finance teams

The problem

Surcharge disputes happen when the index, base price, fuel economy, and banding method are hidden in different systems.

Activated outcome

A transparent surcharge calculator and publishable band schedule tied to source-timestamped diesel indexes.

One action, a finished workbook

  1. 1Load the national and five regional diesel indexes.
  2. 2Set the contract base price and fleet fuel economy.
  3. 3Publish or export the generated surcharge bands after contract review.

Generated sheets

Surcharge Calculator
Regional Indexes
Surcharge Table

The beta package requests access only to the current spreadsheet, its add-on UI, and outbound HTTPS requests to OilPriceAPI.

A funnel we can measure

  • Marketplace listing views and installs
  • Successful surcharge-workbook activations
  • Campaign-attributed API signups and paid conversions

Successful data requests carry only a product/version header and reviewed market identifiers. Spreadsheet contents, formulas, cells, Google account identity, and API keys are not sent for analytics.

Release status

This product has a validated release package. Public installation is not yet available. It will receive a separate Apps Script project, Cloud project, OAuth review, screenshots, and Marketplace listing before public release.

Join through an attributed API signup