---
title: "[beta] Get engine immobilizer states"
method: GET
path: "/fleet/vehicles/immobilizer/stream"
tags: ["Beta APIs"]
---

# \[beta\] Get engine immobilizer states

`GET /fleet/vehicles/immobilizer/stream`

## Request

- Base URL: `https://api.samsara.com`
- URL: `https://api.samsara.com/fleet/vehicles/immobilizer/stream`
- Auth: HTTP bearer

Get the engine immobilizer states of the queried vehicles. If a vehicle has never had an engine immobilizer connected, there won't be any state returned for that vehicle.

 <b>Rate limit:</b> 5 requests/sec (learn more about rate limits <a href="https://developers.samsara.com/docs/rate-limits" target="_blank">here</a>).

To use this endpoint, select **Read Vehicle Immobilization** under the Vehicles 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>
 

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## Query parameters

- `vehicleIds` string, required
- `startTime` string, required
- `endTime` string
- `after` string

## Response `200`

OK response.

- EngineImmobilizerGetEngineImmobilizerStatesResponseBody
  - `data` EngineImmobilizerStateResponseBody[], required: A list of engine immobilizer states in ascending order of happenedAtTime.
    - `happenedAtTime` string, required: A UTC time in RFC 3339 format. Millisecond precision and timezones are supported. (Examples: 2019-06-13T19:08:25Z, 2019-06-13T19:08:25.455Z, OR 2015-09-15T14:00:12-04:00).
    - `isConnectedToVehicle` boolean, required: Whether the engine immobilizer is connected the vehicle.
    - `relayStates` EngineImmobilizerRelayStateResponseBody[], required: A list of states for each relay
      - `id` 'relay1' | 'relay2', required: The ID of the relay Valid values: `relay1`, `relay2`
      - `isOpen` boolean, required: Whether the relay is open.
    - `vehicleId` string, required: The ID of the vehicle that the engine immobilizer is connected to.
  - `pagination` GoaPaginationResponseResponseBody, required: Pagination parameters.
    - `endCursor` string, required: Cursor identifier representing the last element in the response. This value should be used in conjunction with a subsequent request's 'after' query parameter. This may be an empty string if there are no more pages left to view.
    - `hasNextPage` boolean, required: True if there are more pages of results immediately available after this endCursor.

## Other responses

- `401`: Unauthorized response.
- `404`: Not Found response.
- `405`: Method Not Allowed response.
- `413`: Content Too Large response.
- `429`: Too Many Requests response.
- `500`: Internal Server Error response.
- `501`: Not Implemented response.
- `502`: Bad Gateway response.
- `503`: Service Unavailable response.
- `504`: Gateway Timeout response.
- `default`: Bad Request response.

---

[API](https://skmtc.dev/samsara/apis/samsara-api.md) - [All operations](https://skmtc.dev/samsara/apis/samsara-api/llms.txt) - [OpenAPI document](https://skmtc.dev/samsara/apis/samsara-api/revisions/a9e35d4999be?raw)