---
title: System information endpoints
description: InfluxDB 3 Cloud Dedicated provides system endpoints for checking instance availability and retrieving version information. Endpoint Method Description /ping GET, HEAD Returns 204 if the querier is available. Response headers include X-Influxdb-Version and X-Influxdb-Build. Does not require authentication. Checks querier health only; does not check ingesters. To verify ingester availability before writing data, send a request to one of the write endpoints.
url: https://docs.influxdata.com/influxdb3/cloud-dedicated/api/data-api/system-information-endpoints/
estimated_tokens: 360
product: InfluxDB Cloud Dedicated
version: cloud-dedicated
---

[Download Cloud Dedicated Data API Spec](/openapi/influxdb-cloud-dedicated-data-api.yml)

InfluxDB 3 Cloud Dedicated provides system endpoints for checking instance availability and retrieving version information.

| Endpoint | Method | Description |
| --- | --- | --- |
| /ping | GET, HEAD | Returns 204 if the querier is available. Response headers include X-Influxdb-Version and X-Influxdb-Build. Does not require authentication. Checks querier health only; does not check ingesters. |

To verify ingester availability before writing data, send a request to one of the write endpoints.