---
title: "Stream command logs"
method: GET
path: "/v2/sandboxes/sessions/{sessionId}/cmd/{cmdId}/logs"
tags: ["sandboxes"]
---

# Stream command logs

`GET /v2/sandboxes/sessions/{sessionId}/cmd/{cmdId}/logs`

## Request

- Base URL: `https://api.vercel.com`
- URL: `https://api.vercel.com/v2/sandboxes/sessions/{sessionId}/cmd/{cmdId}/logs`
- Auth: HTTP bearer

Streams the output of a command in real-time using newline-delimited JSON (ND-JSON). Each entry includes the output data and stream type. Stream types include `stdout`, `stderr`, and `error` (for stream failures).

## Path parameters

- `sessionId` string, required: The unique identifier of the session containing the command.
- `cmdId` string, required: The unique identifier of the command to stream logs for.

## Query parameters

- `teamId` string
- `slug` string

## Response `200`

## Other responses

- `400`: One of the provided values in the request query is invalid.
- `401`: The request is not authorized.
- `403`: You do not have permission to access this resource.
- `404`
- `410`
- `422`
- `429`

## Changes

- **2026-10-23** `0ab54ee1bd2e`: 1 info
  - removed the non-success response with the status `500`
- **2026-06-11** `14b4658f819e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/vercel/apis/vercel-api/changes/v2/sandboxes/sessions/:sessionId/cmd/:cmdId/logs/get.md)

---

[API](https://skmtc.dev/vercel/apis/vercel-api.md) - [All operations](https://skmtc.dev/vercel/apis/vercel-api/llms.txt) - [OpenAPI document](https://skmtc.dev/vercel/apis/vercel-api/revisions/60686c0e1f6a?raw)