@winth03/n8n-nodes-minio

This is an n8n community node. It lets you use MinIO in your n8n workflows.

MinIO is a high-performance, S3-compatible object storage system designed for large scale AI/ML, data lake and database workloads.

n8n is a fair-code licensed workflow automation platform.

Installation
Operations
Credentials
Compatibility
Usage
Resources

Installation

Follow the installation guide in the n8n community nodes documentation.

Or install it manually:

npm install @winth03/n8n-nodes-minio

Operations

The MinIO node supports the following operations:

Bucket Operations

• List - List all buckets owned by the authenticated user
• Make - Create a new bucket with the specified name
• Remove - Remove an empty bucket
• Exists - Check if a bucket exists and is accessible

Object Operations

• List - List all objects in a bucket
• Get - Download an object from a bucket as binary data
• Put - Upload an object to a bucket from binary data
• Remove - Remove an object from a bucket
• Stat - Retrieves metadata about an object in the specified bucket

Presigned URL Operations

• Get - Generate a presigned URL for downloading an object (7-day expiry)
• Put - Generate a presigned URL for uploading an object (7-day expiry)

Credentials

To use this node, you need to set up MinIO API credentials with the following information:

Prerequisites

• Access to a MinIO server (self-hosted or cloud service)
• Valid access key and secret key with appropriate permissions

Required Credential Fields

• Endpoint - The MinIO server endpoint (e.g., localhost or play.min.io)
• Port - The port number (typically 9000 for MinIO)
• Use SSL - Whether to use HTTPS/SSL connection
• Access Key - Your MinIO access key
• Secret Key - Your MinIO secret key

Setting Up Credentials

1. In n8n, go to Credentials and click Add Credential
2. Search for "MinIO API" and select it
3. Fill in your MinIO server details
4. Test the connection to ensure it works
5. Save the credential

Compatibility

• Minimum n8n version: 0.174.0
• Node.js version: >= 20.15.0
• Tested with n8n versions: 1.0.0+

This node uses the official MinIO JavaScript SDK and is compatible with:

• MinIO servers (any version)
• Amazon S3 (due to S3 compatibility)
• Any S3-compatible storage service

Usage

Basic Workflow Examples

Listing Buckets

1. Add the MinIO node to your workflow
2. Select Bucket as the resource
3. Select List as the operation
4. Configure your MinIO credentials
5. Execute to get a list of all buckets

Uploading a File

1. Use an input node to provide binary file data
2. Add the MinIO node
3. Select Object as the resource
4. Select Put as the operation
5. Specify the bucket name and object name
6. Configure the field name containing your binary data

Downloading a File

1. Add the MinIO node
2. Select Object as the resource
3. Select Get as the operation
4. Specify the bucket name and object name
5. The file content will be available as binary data in the specified field

Resources

• n8n community nodes documentation
• MinIO Documentation
• MinIO JavaScript SDK
• GitHub Repository