---
title: "Send a request to the running session-owned application preview"
method: PATCH
path: "/api/v1/sessions/{sessionId}/preview/app/*"
tags: ["sessions"]
---

# Send a request to the running session-owned application preview

`PATCH /api/v1/sessions/{sessionId}/preview/app/*`

## Request

- Base URL: `http://127.0.0.1:3001`
- URL: `http://127.0.0.1:3001/api/v1/sessions/{sessionId}/preview/app/*`
- Auth: none declared

## Path parameters

- `sessionId` string, required: Session identifier, e.g. project-1.

## Response `200`

OK

- string

## Other responses

- `404`: Not Found
- `409`: Conflict

## Changes

- **2026-10-21** `8f160e6183cd`: 2 info
  - removed the `agent_switch_saga` enum value from the `reporting_owner` response property for the response status `404`
  - removed the `agent_switch_saga` enum value from the `reporting_owner` response property for the response status `409`
- **2026-10-03** `ac97dcafa186`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon/changes/api/v1/sessions/:sessionId/preview/app/*/patch.md)

---

[API](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon.md) - [All operations](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon/llms.txt) - [OpenAPI document](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon/revisions/61d7efd08578?raw)