---
title: "List trailer assignments for a given trailer"
method: GET
path: "/v1/fleet/trailers/{trailerId}/assignments"
tags: ["Trailer Assignments"]
---

# List trailer assignments for a given trailer

`GET /v1/fleet/trailers/{trailerId}/assignments`

## Request

- Base URL: `https://api.samsara.com`
- URL: `https://api.samsara.com/v1/fleet/trailers/{trailerId}/assignments`
- Auth: HTTP bearer

> 🚧 This endpoint is still on our legacy API.

Fetch trailer assignment data for a single trailer. 

 <b>Rate limit:</b> 25 requests/sec (learn more about rate limits <a href="https://developers.samsara.com/docs/rate-limits" target="_blank">here</a>). 

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To use this endpoint, select **Read Assignments** under the Assignments category when creating or editing an API token. <a href="https://developers.samsara.com/docs/authentication#scopes-for-api-tokens" target="_blank">Learn More.</a>

## Path parameters

- `trailerId` integer, required

## Query parameters

- `startMs` integer
- `endMs` integer

## Response `200`

Returns trailer assignment data for a single trailer

- V1TrailerAssignmentsResponse
  - `id` integer, required: ID of the trailer
  - `name` string, string, required: Assignment trailer name (given when creating trailer via the trailer portal)
  - `trailerAssignments` V1TrailerAssignmentResponse[]
    - `driverId` integer: The ID of the driver associated with this trailer.
    - `endMs` integer: The time at which the driver ended the assignment. If the assignment is current, this value will be omitted.
    - `startMs` integer: The time at which the driver started the assignment

## Other responses

- `default`: Unexpected error.

---

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