OPIS Rack API: Reliable wholesale fuel prices delivered straight into your systems

Integrate real-time rack prices in seconds.

The OPIS Rack API gives you instant access to wholesale rack fuel prices across the U.S. and Canada directly into your systems, apps, or workflows.
Built for fuel buyers, traders, analysts, and managers, our REST API delivers the same trusted OPIS rack benchmarks and supplier-level data in a flexible, machine-readable format.

Access real-time prices and historical benchmarks dating back to 2016 for gasoline, diesel, jet and biofuels through a simple, REST API. Even non-technical users can retrieve the data they need without complex integrations.

Explore the Rack API: Documentation & Swagger

Getting started is straightforward with streamlined and interactive documentation:

• The OPIS Rack API Documentation provides endpoint and parameter details, developer resources, step-by-step user guides, and more
• The Swagger (OpenAPI) interface lets you test API calls directly in your browser – no setup required

Together, these tools make it easy to understand available data, validate queries, and accelerate integration – whether you’re a developer or a business user exploring the API for the first time.