AmazonS3Client s3 = new AmazonS3Client(new AWSCredentialsProvider() {
    @Override
    public AWSCredentials getCredentials() {
         // Here, the backend requests for a temporary key from STS.
        return new BasicSessionCredentials(
                "<TempSecretID>", "<TempSecretKey>", "<STSSessionToken>"
        );
    }

    @Override
    public void refresh() {
        //
    }
});

s3.setEndpoint("cos.ap-guangzhou.myqcloud.com"); 

-(AWSTask<AWSCredentials *> *)credentials{
    // Here, the backend requests for a temporary key from STS.
    AWSCredentials *credential = [[AWSCredentials alloc]initWithAccessKey:@"<TempSecretID>" secretKey:@"<TempSecretKey>" sessionKey:@"<STSSessionToken>" expiration:[NSDate dateWithTimeIntervalSince1970:1565770577]];

    return [AWSTask taskWithResult:credential];

}

- (void)invalidateCachedTemporaryCredentials{

}

NSURL* bucketURL = [NSURL URLWithString:@"https://cos.ap-guangzhou.myqcloud.com"];

AWSEndpoint* endpoint = [[AWSEndpoint alloc] initWithRegion:AWSRegionUnknown service:AWSServiceS3 URL:bucketURL];
AWSServiceConfiguration* configuration = [[AWSServiceConfiguration alloc] 
    initWithRegion:AWSRegionUSEast2 endpoint:endpoint 
    credentialsProvider:[MyCredentialProvider new]]; // `MyCredentialProvider` implements the `AWSCredentialsProvider` protocol.

[[AWSServiceManager defaultServiceManager] setDefaultServiceConfiguration:configuration];

var AWS = require('aws-sdk');

AWS.config.update({
    accessKeyId: "COS_SECRETID",
    secretAccessKey: "COS_SECRETKEY",
    region: "ap-guangzhou",
    endpoint: 'https://cos.ap-guangzhou.myqcloud.com',
});

s3 = new AWS.S3({apiVersion: '2006-03-01'});

AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
    .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(
            "http://cos.ap-guangzhou.myqcloud.com", 
            "ap-guangzhou"))
    .build();

S3Client s3Client = S3Client.builder()                
              .endpointOverride(URI.create("http://cos.ap-guangzhou.myqcloud.com"))                
              .region(Region.of("ap-guangzhou"))                
              .build();

client = boto3.client('s3', endpoint_url='https://cos.ap-guangzhou.myqcloud.com')

$S3Client = new S3Client([
  'region'          => 'ap-guangzhou',
  'version'         => '2006-03-01',
  'endpoint'        => 'https://cos.ap-guangzhou.myqcloud.com'
]);


string sAccessKeyId = "COS_SECRETID";
string sAccessKeySecret = "COS_SECRETKEY";
string region = "ap-guangzhou";

var config = new AmazonS3Config() { ServiceURL = "https://cos." + region + ".myqcloud.com" };
var client = new AmazonS3Client(sAccessKeyId, sAccessKeySecret, config);


func newSession() (*session.Session, error) {
    creds := credentials.NewStaticCredentials("COS_SECRETID", "COS_SECRETKEY", "")
    region := "ap-guangzhou"
    endpoint := "http://cos.ap-guangzhou.myqcloud.com"
    config := &aws.Config{
        Region:           aws.String(region),
        Endpoint:         &endpoint,
        S3ForcePathStyle: aws.Bool(true),
        Credentials:      creds,
        // DisableSSL:       &disableSSL,
    }
    return session.NewSession(config)
}

sess, _ := newSession()
service := s3.New(sess)

// Take file upload as an example.
fp, _ := os.Open("yourLocalFilePath")
defer fp.Close()

ctx, cancel := context.WithTimeout(context.Background(), time.Duration(30)*time.Second)
defer cancel()

service.PutObjectWithContext(ctx, &s3.PutObjectInput{
    Bucket: aws.String("examplebucket-1250000000"),
    Key:    aws.String("exampleobject"),
    Body:   fp,
})

package main

import (
        "context"
        "fmt"
        "github.com/aws/aws-sdk-go-v2/aws"
        "github.com/aws/aws-sdk-go-v2/config"
        "github.com/aws/aws-sdk-go-v2/credentials"
        "github.com/aws/aws-sdk-go-v2/service/s3"
        "os"
        "strings"
)

func main() {
        // Get the key through environment variables SECRETID and SECRETKEY
        creds := credentials.NewStaticCredentialsProvider(os.Getenv("SECRETID"), os.Getenv("SECRETKEY"), "") // Key
        customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
                return aws.Endpoint{
                        PartitionID:   "aws",
                        URL:           "http://cos.ap-guangzhou.myqcloud.com",
                        SigningRegion: "ap-guangzhou",
                }, nil

        })

        cfg, _ := config.LoadDefaultConfig(
                context.TODO(),

                config.WithCredentialsProvider(creds),
                config.WithEndpointResolverWithOptions(customResolver))

        s3Client := s3.NewFromConfig(cfg, func(o *s3.Options) {
                o.UsePathStyle = false // Access using virtual-host style
        })

        input := &s3.PutObjectInput{
                Body:         strings.NewReader("xxxxxxx"),
                Bucket:       aws.String("test-1250000000"), //Bucket name
                Key:          aws.String("test"),            //Object key
                StorageClass: "STANDARD",
        }

        result, err := s3Client.PutObject(context.Background(), input)
        if err != nil {
                panic(err)
        }
        fmt.Println(result)


Aws::Client::ClientConfiguration awsCC;
awsCC.scheme = Aws::Http::Scheme::HTTP;
awsCC.region = "ap-guangzhou";
awsCC.endpointOverride = "cos.ap-guangzhou.myqcloud.com"; 
Aws::S3::S3Client s3_client(awsCC);