Write data with the InfluxDB API

Write data to InfluxDB using an HTTP request to the InfluxDB API /write endpoint. Use the POST request method and include the following in your request:

Requirement Include by
Organization Use the org query parameter in your request URL.
Bucket Use the bucket query parameter in your request URL.
Precision Use the precision query parameter in your request URL. Default is ns
API token Use the Authorization: Token YOUR_API_TOKEN header.
Line protocol Pass as plain text in your request body.

Send a write request

The URL in the examples depends on your InfluxDB Cloud region.

curl --request POST \
"http://localhost:8086/api/v2/write?org=YOUR_ORG&bucket=YOUR_BUCKET&precision=ns" \
  --header "Authorization: Token YOUR_API_TOKEN" \
  --header "Content-Type: text/plain; charset=utf-8" \
  --header "Accept: application/json" \
  --data-binary '
    airSensors,sensor_id=TLM0201 temperature=73.97038159354763,humidity=35.23103248356096,co=0.48445310567793615 1630424257000000000
    airSensors,sensor_id=TLM0202 temperature=75.30007505999716,humidity=35.651929918691714,co=0.5141876544505826 1630424257000000000

'use strict'
/** @module write
 * Writes a data point to InfluxDB using the Javascript client library with Node.js.

import { InfluxDB, Point } from '@influxdata/influxdb-client'

/** Environment variables **/
const url = process.env.INFLUX_URL
const token = process.env.INFLUX_TOKEN
const org = process.env.INFLUX_ORG
const bucket = process.env.INFLUX_BUCKET

 * Instantiate the InfluxDB client
 * with a configuration object.
const influxDB = new InfluxDB({ url, token })

 * Create a write client from the getWriteApi method.
 * Provide your `org` and `bucket`.
const writeApi = influxDB.getWriteApi(org, bucket)

 * Apply default tags to all points.
writeApi.useDefaultTags({ region: 'west' })

 * Create a point and write it to the buffer.
const point1 = new Point('temperature')
  .tag('sensor_id', 'TLM01')
  .floatField('value', 24.0)
console.log(` ${point1}`)


 * Flush pending writes and close writeApi.
writeApi.close().then(() => {
  console.log('WRITE FINISHED')

Use gzip compression with the InfluxDB API

When using the InfluxDB API /write endpoint to write data, compress the data with gzip and set the Content-Encoding header to gzip. Compression reduces network bandwidth, but increases server-side load.

echo "airSensors,sensor_id=TLM0201 temperature=73.97038159354763,humidity=35.23103248356096,co=0.48445310567793615 1630525358 
  airSensors,sensor_id=TLM0202 temperature=75.30007505999716,humidity=35.651929918691714,co=0.5141876544505826 1630525358" | gzip > air-sensors.gzip

curl --request POST \
"http://localhost:8086/api/v2/write?org=YOUR_ORG&bucket=YOUR_BUCKET&precision=ns" \
  --header "Authorization: Token YOUR_API_TOKEN" \
  --header "Content-Encoding: gzip" \
  --header "Content-Type: text/plain; charset=utf-8" \
  --header "Accept: application/json" \
  --data-binary @air-sensors.gzip

For information about InfluxDB API response codes, see InfluxDB API Write documentation.

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