---
title: "Get carrier operating authority history"
method: GET
path: "/v1/carriers/{dot_number}/authority"
---

# Get carrier operating authority history

`GET /v1/carriers/{dot_number}/authority`

Returns all authority actions including grants, revocations, and reinstatements.

## Path parameters

- `dot_number` string, required

## Query parameters

- `limit` integer
- `offset` integer

## Response `200`

Authority history records

- AuthorityResponse
  - `dot_number` string
  - `total_records` integer
  - `limit` integer
  - `offset` integer
  - `authority_history` AuthorityRecord[]
    - `docket_number` string
    - `sub_number` string
    - `authority_type` string
    - `original_action` string
    - `original_served_date` string, date
    - `disposition_action` string
    - `disposition_decided_date` string, date
    - `disposition_served_date` string, date

## Other responses

- `401` — Invalid or missing API key
- `404` — Carrier does not exist
- `429` — Too many requests. Check X-RateLimit-Remaining and Retry-After headers.

---

[API](https://skmtc.net/runalphaloops/apis/alphaloops-fmcsa-carrier-data-api.md) · [All operations](https://skmtc.net/runalphaloops/apis/alphaloops-fmcsa-carrier-data-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/runalphaloops/alphaloops-fmcsa-carrier-data-api/versions/dcfdb73e5778/schema)