---
title: "Check PTY support for a session and get WebSocket path"
method: POST
path: "/api/pty/attach"
tags: ["API"]
---

# Check PTY support for a session and get WebSocket path

`POST /api/pty/attach`

## Request body

- object
  - `sessionId` string, required
  - `kind` string, required
  - `mode` 'readonly' | 'interactive'

## Response `200`

OK

## Other responses

- `400` — Bad request
- `401` — Unauthorized

## Changes

> 27 revisions in range; 2 could not be searched.

- **2026-03-31** `b2ad3f5d97c9` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/builderz-labs/apis/mission-control-api/changes/api/pty/attach/post.md)

---

[API](https://skmtc.dev/builderz-labs/apis/mission-control-api.md) · [All operations](https://skmtc.dev/builderz-labs/apis/mission-control-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/builderz-labs/mission-control-api/revisions/b920835b2793/schema)