---
title: "Upgrade One Shared-Tier Cluster to One Serverless Instance"
method: POST
path: "/api/atlas/v2/groups/{groupId}/clusters/tenantUpgradeToServerless"
tags: ["Clusters"]
deprecated: true
---

# Upgrade One Shared-Tier Cluster to One Serverless Instance

`POST /api/atlas/v2/groups/{groupId}/clusters/tenantUpgradeToServerless`

> **Deprecated.**

This endpoint has been deprecated as of February 2025 as we no longer support the creation of new serverless instances. Please use the Upgrade Flex Cluster endpoint to upgrade Flex clusters.

 Upgrades a shared-tier cluster to a serverless instance in the specified project.

## Path parameters

- `groupId` string, required

## Query parameters

- `envelope` boolean
- `pretty` boolean

## Response `200`

OK

## Other responses

- `400` — Bad Request.
- `401` — Unauthorized.
- `402` — Payment Required.
- `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)