Data API

Quick start

Authenticate, write, and query with the InfluxDB 3 Clustered API.

API compatibility

Authentication

Use one of the following schemes to authenticate to the InfluxDB 3 Clustered API:

Common parameters

Most InfluxDB API endpoints require parameters in the request — for example, specifying the database to write to or query from.

Headers

InfluxDB HTTP API endpoints use standard HTTP request and response headers. The following table shows common headers used by many InfluxDB 3 Clustered API endpoints. Some endpoints use additional…

Response codes

InfluxDB 3 Clustered API endpoints return standard HTTP status codes.

System information endpoints

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

Usage

InfluxDB 3 Clustered tracks storage usage for your cluster. The Usage endpoints let you retrieve stored data size metrics to monitor capacity consumption. Usage data is available at the cluster and…

Ping

Check the availability of an InfluxDB 3 Clustered instance.

Query data

Query data stored in InfluxDB 3 Clustered using InfluxQL via the v1-compatible /query endpoint. Use Flight+gRPC for SQL or InfluxQL queries with Arrow format output.

Write data

Write time series data to InfluxDB 3 Clustered databases using the v2-compatible /api/v2/write endpoint or the v1-compatible /write endpoint with line protocol.