# Dohrn Transfer Tracking API & MCP

URL: https://docs.lastscanned.com/carriers/dohrn

Query live **Dohrn Transfer** (`dohrn`) PRO status, terminal scan history and signer in a single synchronous `GET` request or MCP tool call.

## Overview & Quick Facts

| Property | Value |
|---|---|
| **Carrier slug (`?carrier=`)** | `dohrn` |
| **Brand aliases** | Dohrn Transfer Company, Dohrn Transfer, Dohrn PRO |
| **Category** | US LTL freight (Midwest) |
| **Single-package REST endpoint** | `GET https://api.lastscanned.com/v1/track/{trackingNumber}?carrier=dohrn` |
| **Batch REST endpoint** | `GET https://api.lastscanned.com/v1/track?numbers=25663914,...&carrier=dohrn` |
| **MCP server (`https://mcp.lastscanned.com`)** | `track_package`, `track_packages`, `list_carriers` |
| **Authentication & pricing** | `Authorization: Bearer lsk_live_...` · 1 free keyless lookup/day per IP |

## Tracking Number Formats & Auto-Detection

| Pass | Rule / Regex | Check Digit | Examples |
|---|---|---|---|
| **Pass 1 (`matches`)** | none | none | none |
| **Pass 2 (`mayMatch`)** | none | none | none |

PRO numbers are 8 to 9 digits, a shape other LTL carriers use too, so pass `?carrier=dohrn`.

## Synchronous `GET` Request & Normalized JSON Response

```bash
curl -s "https://api.lastscanned.com/v1/track/25663914?carrier=dohrn" \
  -H "Authorization: Bearer $LASTSCANNED_API_KEY"
```

```json
{
  "carrier": "dohrn",
  "trackingNumber": "25663914",
  "status": "delivered",
  "statusDescription": "Delivered",
  "service": null,
  "deliveredAt": null,
  "deliveredAtLocal": "2019-05-30T11:30:00",
  "signedBy": "JACOB BRUCE",
  "destination": { "city": "Vincennes", "state": "IN", "country": "US" },
  "message": null,
  "events": [
    {
      "timestamp": null,
      "localTime": "2019-05-30T11:30:00",
      "status": "delivered",
      "description": "Delivered",
      "location": "Vincennes, IN",
      "code": null
    },
    {
      "timestamp": null,
      "localTime": "2019-05-30T09:05:00",
      "status": "out_for_delivery",
      "description": "Out For Delivery",
      "location": "Evansville, IN",
      "code": null
    }
  ]
}
```

## Notes

- **Time zone**: Dohrn's terminals span US Central and Eastern time and the feed gives no zone, so events carry `localTime` only (`timestamp` is `null`).
- **Status**: "Manifested" and "Trailer ..." scans are freight movement and map to `in_transit`.

## Related Resources

- **Regex & check digits**: [Tracking number formats & auto-detection](/formats)