---
title: "Ping the VMM to check for API server availability"
method: GET
path: "/vmm.ping"
---

# Ping the VMM to check for API server availability

`GET /vmm.ping`

## Response `200`

The VMM information

- VmmPingResponse — Virtual Machine Monitor information
  - `build_version` string
  - `version` string, required
  - `pid` integer
  - `features` string[]

## Changes

> 40 revisions in range; 1 could not be searched.

- **2023-11-03** `4ec89970fc6e` — 1 info
  - added the optional property `features` to the response with the `200` status
- **2023-05-19** `8f930fa113e1` — 2 info
  - added the optional property `build_version` to the response with the `200` status
  - added the optional property `pid` to the response with the `200` status
- **2020-04-28** `bf56946c8349` — 3 warning
  - removed the optional property `build_version` from the response with the `200` status
  - removed the optional property `features` from the response with the `200` status
  - removed the optional property `pid` from the response with the `200` status

[Change history](https://skmtc.dev/kata-containers/apis/cloud-hypervisor-api/changes/vmm.ping/get.md)

---

[API](https://skmtc.dev/kata-containers/apis/cloud-hypervisor-api.md) · [All operations](https://skmtc.dev/kata-containers/apis/cloud-hypervisor-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/kata-containers/cloud-hypervisor-api/revisions/c30c01a9fb80/schema)