title: InfluxDB v1 HTTP API for InfluxDB 3 Clustered
x-influxdata-short-title: v1 Compatibility API
x-influxdata-short-description: The InfluxDB v1 HTTP API provides v1 compatibility for writing and querying data in an InfluxDB 3 Clustered database.
description: |
  The InfluxDB v1 HTTP API provides v1 compatibility for writing and querying data in an InfluxDB 3 Clustered database.

  The InfluxDB 1.x `/write` and `/query` endpoints work with InfluxDB 1.x client libraries and third-party integrations like Grafana and others.

  This documentation is generated from the
  [InfluxDB OpenAPI specification](https://raw.githubusercontent.com/influxdata/openapi/master/contracts/swaggerV1Compat.yml).

  #### Related

  [InfluxDB `/api/v2` API for InfluxDB 3 Clustered](/influxdb3/clustered/api/v2/)
license:
  name: MIT
  url: 'https://opensource.org/licenses/MIT'
contact:
  name: InfluxData
  url: https://www.influxdata.com
  email: support@influxdata.com