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Install the InfluxDB v2 JavaScript client library

Install the InfluxDB Node.js JavaScript client library

Install the Node.js JavaScript client library to integrate with the InfluxDB v2 API.

influxdb_cloud_serverless

name	parent
Install	Node.js

client libraries

JavaScript

100

/influxdb/cloud-serverless/reference/api/client-libraries/nodejs/install

Install Node.js

Install Node.js.
Ensure that InfluxDB is running and you can connect to it. For information about what URL to use to connect to InfluxDB Cloud, see InfluxDB URLs.
In your terminal, create a directory for your Node.js project and change to it.
```
mkdir influx-node-app && cd $_
```
Enter the following command to generate an npm package for your project. The npm package manager is included with Node.js.
```
npm init -y
```

Install TypeScript

Many of the client library examples use TypeScript. Follow these steps to initialize the TypeScript project:

Install TypeScript and type definitions for Node.js.

npm i -g typescript && npm i --save-dev @types/node

Create a TypeScript configuration with default values.
```
tsc --init
```
Run the TypeScript compiler. To recompile your code automatically as you make changes, pass the watch flag to the compiler.
```
tsc -w -p
```

Install dependencies

Use the @influxdata/influxdb-client JavaScript client library to write and query data in InfluxDB Cloud Serverless.

Open a new terminal window and install the @influxdata/influxdb-client package for querying and writing data:

npm install --save @influxdata/influxdb-client

The @influxdata/influxdb-client-apis client library package won't work with InfluxDB v3. It only works with InfluxDB v2 management APIs.

Configure credentials

The client examples include an env module for accessing your InfluxDB properties from environment variables or from env.js. The examples use these properties to interact with the InfluxDB API.

Set environment variables or update env.js with your InfluxDB bucket, organization, token, and url.

export INFLUX_URL=https://cloud2.influxdata.com
export INFLUX_TOKEN=API_TOKEN
export INFLUX_ORG=ORG_ID
export INFLUX_BUCKET=BUCKET_NAME

Replace the following:

API_TOKEN: InfluxDB API token with write permission to the bucket.
ORG_ID: InfluxDB organization ID
BUCKET_NAME: the name of the InfluxDB Cloud Serverless bucket to write to

Next steps

Once you've installed the client library and configured credentials, you're ready to write data.

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