---
title: "Get regional diesel prices"
method: GET
path: "/v1/diesel-prices"
tags: ["Diesel Prices"]
---

# Get regional diesel prices

`GET /v1/diesel-prices`

Retrieve diesel prices for US regions including national average, PAD districts, and major states.
Data sourced from EIA (Energy Information Administration) with weekly updates.

**FREE TIER** - No additional cost

## Query parameters

- `state` string
- `zip` string
- `lat` number, float
- `lng` number, float

## Response `200`

Regional diesel price data

- object
  - `status` string
  - `data` object
    - `regional_average` object
      - `price` number, float — Diesel price per gallon
      - `currency` string
      - `unit` string
      - `region` string — EIA region name
      - `granularity` 'national' | 'pad_district' | 'state'
      - `source` string
      - `updated_at` string, date-time
      - `cached` boolean
    - `location` object
      - `type` 'state' | 'zip_code' | 'coordinates' | 'national'
      - `state_code` string

## Other responses

- `401` — Unauthorized - Invalid API key
- `500` — Unexpected server error. Retry transient failures with bounded backoff and retain the request ID when contacting support.

---

[API](https://skmtc.net/oilpriceapi/apis/oil-price-api-v1.md) · [All operations](https://skmtc.net/oilpriceapi/apis/oil-price-api-v1/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/oilpriceapi/oil-price-api-v1/revisions/5a5ce424cacc/schema)
