.NET Quickstart Guide

using Minio;
using Minio.DataModel.Args;

public static class Program
{
    var endpoint = "play.min.io";
    var accessKey = "minioadmin";
    var secretKey = "minioadmin";

    public static void Main(string[] args)
    {
        var builder = WebApplication.CreateBuilder();

        // Add Minio using the default endpoint
        builder.Services.AddMinio(accessKey, secretKey);

        // Add Minio using the custom endpoint and configure additional settings for default MinioClient initialization
        builder.Services.AddMinio(configureClient => configureClient
            .WithEndpoint(endpoint)
            .WithCredentials(accessKey, secretKey)
            .Build());

        // NOTE: SSL and Build are called by the build-in services already.

        var app = builder.Build();
        app.Run();
    }
}

[ApiController]
public class ExampleController : ControllerBase
{
    private readonly IMinioClient minioClient;

    public ExampleController(IMinioClient minioClient)
    {
        this.minioClient = minioClient;
    }

    [HttpGet]
    [ProducesResponseType(typeof(string), StatusCodes.Status200OK)]
    public async Task<IActionResult> GetUrl(string bucketID)
    {
        return Ok(await minioClient.PresignedGetObjectAsync(new PresignedGetObjectArgs()
                .WithBucket(bucketID))
            .ConfigureAwait(false));
    }
}

[ApiController]
public class ExampleFactoryController : ControllerBase
{
    private readonly IMinioClientFactory minioClientFactory;

    public ExampleFactoryController(IMinioClientFactory minioClientFactory)
    {
        this.minioClientFactory = minioClientFactory;
    }

    [HttpGet]
    [ProducesResponseType(typeof(string), StatusCodes.Status200OK)]
    public async Task<IActionResult> GetUrl(string bucketID)
    {
        var minioClient = minioClientFactory.CreateClient(); //Has optional argument to configure specifics

        return Ok(await minioClient.PresignedGetObjectAsync(new PresignedGetObjectArgs()
                .WithBucket(bucketID))
            .ConfigureAwait(false));
    }
}

using Minio;

var endpoint = "play.min.io";
var accessKey = "minioadmin";
var secretKey = "minioadmin";
var secure = true;
// Initialize the client with access credentials.
private static IMinioClient minio = new MinioClient()
                                    .WithEndpoint(endpoint)
                                    .WithCredentials(accessKey, secretKey)
                                    .WithSSL(secure)
                                    .Build();

// Create an async task for listing buckets.
var getListBucketsTask = await minio.ListBucketsAsync().ConfigureAwait(false);

// Iterate over the list of buckets.
foreach (var bucket in getListBucketsTask.Result.Buckets)
{
    Console.WriteLine(bucket.Name + " " + bucket.CreationDateDateTime);
}

using System;
using Minio;
using Minio.Exceptions;
using Minio.DataModel;
using Minio.Credentials;
using Minio.DataModel.Args;
using System.Threading.Tasks;

namespace FileUploader
{
    class FileUpload
    {
        static void Main(string[] args)
        {
            var endpoint  = "play.min.io";
            var accessKey = "minioadmin";
            var secretKey = "minioadmin";
            try
            {
                var minio = new MinioClient()
                                    .WithEndpoint(endpoint)
                                    .WithCredentials(accessKey, secretKey)
                                    .WithSSL()
                                    .Build();
                FileUpload.Run(minio).Wait();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            Console.ReadLine();
        }

        // File uploader task.
        private async static Task Run(IMinioClient minio)
        {
            var bucketName = "mymusic";
            var location   = "us-east-1";
            var objectName = "golden-oldies.zip";
            var filePath = "C:\\Users\\username\\Downloads\\golden_oldies.mp3";
            var contentType = "application/zip";

            try
            {
                // Make a bucket on the server, if not already present.
                var beArgs = new BucketExistsArgs()
                    .WithBucket(bucketName);
                bool found = await minio.BucketExistsAsync(beArgs).ConfigureAwait(false);
                if (!found)
                {
                    var mbArgs = new MakeBucketArgs()
                        .WithBucket(bucketName);
                    await minio.MakeBucketAsync(mbArgs).ConfigureAwait(false);
                }
                // Upload a file to bucket.
                var putObjectArgs = new PutObjectArgs()
                    .WithBucket(bucketName)
                    .WithObject(objectName)
                    .WithFileName(filePath)
                    .WithContentType(contentType);
                await minio.PutObjectAsync(putObjectArgs).ConfigureAwait(false);
                Console.WriteLine("Successfully uploaded " + objectName );
            }
            catch (MinioException e)
            {
                Console.WriteLine("File Upload Error: {0}", e.Message);
            }
        }
    }
}