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    7.0.32 • Public • Published

    MinIO JavaScript Library for Amazon S3 Compatible Cloud Storage Slack


    The MinIO JavaScript Client SDK provides simple APIs to access any Amazon S3 compatible object storage server.

    This quickstart guide will show you how to install the client SDK and execute an example JavaScript program. For a complete list of APIs and examples, please take a look at the JavaScript Client API Reference documentation.

    This document assumes that you have a working nodejs setup in place.

    Download from NPM

    npm install --save minio

    Download from Source

    git clone
    cd minio-js
    npm install
    npm install -g

    Using with TypeScript

    npm install --save-dev @types/minio

    Initialize MinIO Client

    You need five items in order to connect to MinIO object storage server.

    Params Description
    endPoint URL to object storage service.
    port TCP/IP port number. This input is optional. Default value set to 80 for HTTP and 443 for HTTPs.
    accessKey Access key is like user ID that uniquely identifies your account.
    secretKey Secret key is the password to your account.
    useSSL Set this value to 'true' to enable secure (HTTPS) access
    var Minio = require('minio')
    var minioClient = new Minio.Client({
        endPoint: '',
        port: 9000,
        useSSL: true,
        accessKey: 'Q3AM3UQ867SPQQA43P2F',
        secretKey: 'zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG'

    Quick Start Example - File Uploader

    This example program connects to an object storage server, makes a bucket on the server and then uploads a file to the bucket.

    We will use the MinIO server running at in this example. Feel free to use this service for testing and development. Access credentials shown in this example are open to the public.


    var Minio = require('minio')
    // Instantiate the minio client with the endpoint
    // and access keys as shown below.
    var minioClient = new Minio.Client({
        endPoint: '',
        port: 9000,
        useSSL: true,
        accessKey: 'Q3AM3UQ867SPQQA43P2F',
        secretKey: 'zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG'
    // File that needs to be uploaded.
    var file = '/tmp/photos-europe.tar'
    // Make a bucket called europetrip.
    minioClient.makeBucket('europetrip', 'us-east-1', function(err) {
        if (err) return console.log(err)
        console.log('Bucket created successfully in "us-east-1".')
        var metaData = {
            'Content-Type': 'application/octet-stream',
            'X-Amz-Meta-Testing': 1234,
            'example': 5678
        // Using fPutObject API upload your file to the bucket europetrip.
        minioClient.fPutObject('europetrip', 'photos-europe.tar', file, metaData, function(err, etag) {
          if (err) return console.log(err)
          console.log('File uploaded successfully.')

    Run file-uploader

    node file-uploader.js
    Bucket created successfully in "us-east-1".
    mc ls play/europetrip/
    [2016-05-25 23:49:50 PDT]  17MiB photos-europe.tar

    API Reference

    The full API Reference is available here.

    API Reference : Bucket Operations

    API Reference : File Object Operations

    API Reference : Object Operations

    API Reference : Presigned Operations

    API Reference : Bucket Notification Operations

    API Reference : Bucket Policy Operations

    Full Examples

    Full Examples : Bucket Operations

    Full Examples : File Object Operations

    Full Examples : Object Operations

    Full Examples : Presigned Operations

    Full Examples: Bucket Notification Operations

    Full Examples: Bucket Policy Operations

    Custom Settings

    Explore Further


    Contributors Guide

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    • krishnasrinivas
    • minio
    • y4m4
    • koolhead17