> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nexusfeed.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Southeastern Freight Lines Fuel Surcharge API

> SEFL LTL fuel surcharge rates for the southeastern United States — current week with DOE diesel price.

Southeastern Freight Lines (SCAC: **SEFL**) is the largest LTL carrier concentrated in the southeastern United States, with service into all 48 contiguous states. SEFL publishes the current week's fuel surcharge and the DOE #2 diesel price that triggered it. NexusFeed parses the page with Playwright DOM.

## Carrier overview

| Field                          | Value                                                                    |
| ------------------------------ | ------------------------------------------------------------------------ |
| **SCAC code**                  | SEFL                                                                     |
| **Full name**                  | Southeastern Freight Lines                                               |
| **Headquarters**               | Lexington, SC                                                            |
| **Coverage**                   | Southeast-focused, national reach                                        |
| **DOE diesel price**           | Yes                                                                      |
| **Historical weeks available** | **Current week only** — the upstream tariff page does not expose history |
| **Extraction method**          | `playwright_dom`                                                         |
| **Cache TTL**                  | 7 days                                                                   |

## Example request

```bash theme={null}
curl "https://api.nexusfeed.dev/v1/ltl/fuel-surcharge?carriers=SEFL&weeks=1" \
  -H "X-API-Key: YOUR_KEY"
```

## Example response

```json theme={null}
{
  "carrier": "SEFL",
  "weeks": [
    {"effective_date": "2026-04-07", "fuel_surcharge_pct": 40.5, "doe_diesel_price_usd": 3.812}
  ],
  "_verifiability": {
    "source_timestamp": "2026-04-10T14:22:11Z",
    "extraction_confidence": 1.0,
    "raw_data_evidence_url": "https://www.sefl.com/Tariffs/FuelSurcharge.jsp",
    "extraction_method": "playwright_dom",
    "data_freshness_ttl_seconds": 604800
  }
}
```

## Use cases

* Auditing SEFL invoices for shipments moving in the southeast.
* Quoting SEFL as the primary carrier on Atlanta, Dallas, Charlotte, or Jacksonville lanes.
* Comparing SEFL to [ODFL](/carriers/odfl), [Averitt](/carriers/averitt), and [Estes](/carriers/estes) when picking a southeast-capable carrier.