---
title: "Retrieves a launch group member site instance."
method: GET
path: "/launch-groups/{launchGroupId}/member-site-instances/{siteId}.{environmentId}"
tags: ["Launch Groups"]
---

# Retrieves a launch group member site instance.

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

## Request

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

Returns the membership record for the site instance identified in the path — whether it is a member of the launch group and, if so, whether it is currently Published. Requires the `view launch group` permission.

## Path parameters

- `launchGroupId` string, required
- `siteId` string, required
- `environmentId` string, required

## Response `200`

Launch group member site instance details

- object
  - `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)

## Other responses

- `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)