---
title: "Change technical contact for an app"
method: PATCH
path: "/apps/{appId}"
tags: ["apps"]
---

# Change technical contact for an app

`PATCH /apps/{appId}`

## Request

- Base URL: `https://cloud.home.mendix.com/api/v4`
- URL: `https://cloud.home.mendix.com/api/v4/apps/{appId}`
- Auth: API key in header `Authorization`

Update app

## Request body

- object
  - `technicalContact` object
    - `userId` string

## Response `200`

OK

## Other responses

- `400`: The request probably contains invalid data or there is data missing from the request. The error response gives additional feedback.
- `401`: There were no usable authentication credentials found. The error response gives additional feedback.
- `403`: Access is denied. The provided credentials are incorrect or the credentials do not have the required level of access. The error response gives additional feedback.
- `404`: The requested item could not be found. The error response gives additional feedback.
- `500`: Internal system error.

---

[API](https://skmtc.dev/mendix/apis/deploy-api.md) - [All operations](https://skmtc.dev/mendix/apis/deploy-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mendix/apis/deploy-api/revisions/4e82641fb4c5?raw)