---
title: "Retrieves the collection of member site instances for a launch group."
method: GET
path: "/launch-groups/{launchGroupId}/member-site-instances"
tags: ["Launch Groups"]
---

# Retrieves the collection of member site instances for a launch group.

`GET /launch-groups/{launchGroupId}/member-site-instances`

## Request

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

Returns the collection of site instances that are members of the launch group, including which one is currently Published. Requires the `view launch group` permission.

## Path parameters

- `launchGroupId` string, required

## Query parameters

- `offset` integer
- `limit` integer

## Response `200`

Launch group member site instance collection

- object
  - `_links` object, required: HAL links for the resource
    - `self` LaunchGroupAPIHalLink, 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
    - `prev` LaunchGroupAPIHalLink: 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
    - `next` LaunchGroupAPIHalLink: 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
    - `offset` object: Templated link for offset
      - `href` union, required: The target URI of the link (can be a URI or URI template)
        - string, uri
        - string, uri-template
      - `templated` true, required: 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
    - `limit` object: Templated link for limit
      - `href` union, required: The target URI of the link (can be a URI or URI template)
        - string, uri
        - string, uri-template
      - `templated` true, required: 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, required: Embedded resources for the collection
    - `items` object[], required: The array of resources in the collection
      - `site_id` string, required: Identifier of the member site instance's site.
      - `environment_id` string, required: Identifier of the environment the member site instance runs in.
      - `is_published` boolean, required: Whether this member is currently the Published site instance serving the launch group's domains.
      - `_links` object, required: HAL links for the resource
        - `self` LaunchGroupAPIHalLink, 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)
  - `count` integer, required: The number of items in the current page
  - `total` integer, required: The total number of items available
  - `pagination` object, required
    - `total` integer, required: The total number of items available
    - `limit` integer, required: The maximum number of items to retrieve in a single page
    - `offset` integer, required: The starting position of the items to retrieve

## Other responses

- `400`: Validation Error
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `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)