---
title: "Updates the priority order of site instances for the environment."
method: POST
path: "/environments/{environmentId}/site-instances/actions/reorder"
tags: ["Site Instances"]
---

# Updates the priority order of site instances for the environment.

`POST /environments/{environmentId}/site-instances/actions/reorder`

## Request

- Base URL: `https://api.acquia.com/v3`
- URL: `https://api.acquia.com/v3/environments/{environmentId}/site-instances/actions/reorder`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/docs/environments/:environmentId/site-instances/actions/reorder/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `environmentId` string, required

## Request body

- object
  - `site_instance_ids` string[], required: List of site instance IDs in the desired priority order.

## Response `200`

Site instances reordered successfully

- object
  - `_links` object, required: HAL links for the resource
    - `self` EnvironmentServiceAPIHalLink, required: HAL link object
      - `href` union, required: The target URI of the link (can be a URI or URI template)
        - string, uri
        - string, uri-template
      - `templated` boolean: Whether the link is a URI template
      - `type` string: Hint about the media type expected when dereferencing the target resource
      - `deprecation` string: A URL to a resource that provides deprecation information
      - `name` string: A secondary key for selecting links
      - `profile` string: A URI that hints about the profile of the target resource
      - `title` string: A human-readable identifier for the link
      - `hreflang` string: The language of the target resource
  - `_embedded` object: Embedded resources (optional)
  - `message` 'Site instances reordered successfully.', required: Confirmation message that the site instances have been reordered.

## Other responses

- `400`: Validation Error
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `500`: Internal Server Error

---

[API](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api.md) - [All operations](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/revisions/508f8f94456d?raw)