---
title: "Get the current LTL fuel surcharge for one carrier"
method: GET
path: "/v1/fuel-surcharge/{carrier}/latest"
tags: ["Fuel Surcharge"]
---

# Get the current LTL fuel surcharge for one carrier

`GET /v1/fuel-surcharge/{carrier}/latest`

## Request

- Base URL: `https://api.oilpriceapi.com`
- URL: `https://api.oilpriceapi.com/v1/fuel-surcharge/{carrier}/latest`
- Auth: API key in header `Authorization`

Returns the latest stored published fuel-surcharge percentage for one
LTL carrier. An unknown carrier or a carrier with no ingested data
returns 404; the API never fabricates a current value.

## Path parameters

- `carrier` string, required

## Response `200`

Current LTL carrier fuel surcharge

- FuelSurchargeRateResponse
  - `status` 'success', required
  - `data` FuelSurchargeRate, required
    - `carrier` string, required
    - `carrier_name` string, required
    - `mode` 'ltl' | 'parcel', required
    - `service_level` string: Present for parcel rates
    - `surcharge_percent` number, float, required
    - `effective_date` string, date, required
    - `doe_diesel_price` number, float, nullable, required
    - `diesel_band` object, nullable, required
      - `min` number, float, nullable, required
      - `max` number, float, nullable, required
    - `source` string, uri, required: Carrier-published schedule URL
    - `retrieved_at` string, date-time, required

## Other responses

- `401`: Unauthorized - Invalid API key
- `404`: Carrier is unknown or has no retrieved data
- `500`: Unexpected server error. Retry transient failures with bounded backoff and retain the request ID when contacting support.

---

[API](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1.md) - [All operations](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1/revisions/7f8b4d763210?raw)