---
title: "Return All Available MongoDB LTS Versions for Clusters in One Project"
method: GET
path: "/api/atlas/v2/groups/{groupId}/mongoDBVersions"
tags: ["Projects"]
---

# Return All Available MongoDB LTS Versions for Clusters in One Project

`GET /api/atlas/v2/groups/{groupId}/mongoDBVersions`

Returns the MongoDB Long Term Support Major Versions available to new clusters in this project.

## Path parameters

- `groupId` string, required

## Query parameters

- `envelope` boolean
- `pretty` boolean
- `cloudProvider` 'AWS' | 'AZURE' | 'GCP' | 'TENANT'
- `instanceSize` string
- `defaultStatus` 'DEFAULT'
- `itemsPerPage` integer
- `pageNum` integer

## Response `200`

OK

## Other responses

- `400` — Bad Request.
- `401` — Unauthorized.
- `403` — Forbidden.
- `404` — Not Found.
- `409` — Conflict.
- `429` — Too Many Requests.
- `500` — Internal Server Error.

---

[API](https://skmtc.dev/mongodb/apis/atlas-admin-api.md) · [All operations](https://skmtc.dev/mongodb/apis/atlas-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/mongodb/atlas-admin-api/revisions/e37e8ef8429f/schema)