diff --git a/backend/posix/posix.go b/backend/posix/posix.go
index 87f47e2..1c45ab9 100644
--- a/backend/posix/posix.go
+++ b/backend/posix/posix.go
@@ -536,6 +536,7 @@ func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUpl
 	objs, _ := os.ReadDir(filepath.Join(bucket, metaTmpMultipartDir))
 
 	var uploads []s3response.Upload
+	var resultUpds []s3response.Upload
 
 	var keyMarker string
 	if mpu.KeyMarker != nil {
@@ -545,12 +546,9 @@ func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUpl
 	if mpu.UploadIdMarker != nil {
 		uploadIDMarker = *mpu.UploadIdMarker
 	}
-	var pastMarker bool
-	if keyMarker == "" && uploadIDMarker == "" {
-		pastMarker = true
-	}
+	keyMarkerInd, uploadIdMarkerFound := -1, false
 
-	for i, obj := range objs {
+	for _, obj := range objs {
 		if !obj.IsDir() {
 			continue
 		}
@@ -569,22 +567,14 @@ func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUpl
 			continue
 		}
 
-		for j, upid := range upids {
+		for _, upid := range upids {
 			if !upid.IsDir() {
 				continue
 			}
 
-			if objectName == keyMarker || upid.Name() == uploadIDMarker {
-				pastMarker = true
-				continue
-			}
-			if keyMarker != "" && uploadIDMarker != "" && !pastMarker {
-				continue
-			}
-
-			userMetaData := make(map[string]string)
-			upiddir := filepath.Join(bucket, metaTmpMultipartDir, obj.Name(), upid.Name())
-			loadUserMetaData(upiddir, userMetaData)
+			// userMetaData := make(map[string]string)
+			// upiddir := filepath.Join(bucket, metaTmpMultipartDir, obj.Name(), upid.Name())
+			// loadUserMetaData(upiddir, userMetaData)
 
 			fi, err := upid.Info()
 			if err != nil {
@@ -592,28 +582,61 @@ func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUpl
 			}
 
 			uploadID := upid.Name()
+			if !uploadIdMarkerFound && uploadIDMarker == uploadID {
+				uploadIdMarkerFound = true
+			}
+			if keyMarkerInd == -1 && objectName == keyMarker {
+				keyMarkerInd = len(uploads)
+			}
 			uploads = append(uploads, s3response.Upload{
 				Key:       objectName,
 				UploadID:  uploadID,
 				Initiated: fi.ModTime().Format(backend.RFC3339TimeFormat),
 			})
-			if len(uploads) == int(mpu.MaxUploads) {
-				return s3response.ListMultipartUploadsResult{
-					Bucket:             bucket,
-					Delimiter:          delimiter,
-					IsTruncated:        i != len(objs) || j != len(upids),
-					KeyMarker:          keyMarker,
-					MaxUploads:         int(mpu.MaxUploads),
-					NextKeyMarker:      objectName,
-					NextUploadIDMarker: uploadID,
-					Prefix:             prefix,
-					UploadIDMarker:     uploadIDMarker,
-					Uploads:            uploads,
-				}, nil
-			}
 		}
 	}
 
+	if (uploadIDMarker != "" && !uploadIdMarkerFound) || (keyMarker != "" && keyMarkerInd == -1) {
+		return s3response.ListMultipartUploadsResult{
+			Bucket:         bucket,
+			Delimiter:      delimiter,
+			KeyMarker:      keyMarker,
+			MaxUploads:     int(mpu.MaxUploads),
+			Prefix:         prefix,
+			UploadIDMarker: uploadIDMarker,
+			Uploads:        []s3response.Upload{},
+		}, nil
+	}
+
+	sort.SliceStable(uploads, func(i, j int) bool {
+		return uploads[i].Key < uploads[j].Key
+	})
+
+	for i := keyMarkerInd + 1; i < len(uploads); i++ {
+		if mpu.MaxUploads == 0 {
+			break
+		}
+		if keyMarker != "" && uploadIDMarker != "" && uploads[i].UploadID < uploadIDMarker {
+			continue
+		}
+		if i != len(uploads)-1 && len(resultUpds) == int(mpu.MaxUploads) {
+			return s3response.ListMultipartUploadsResult{
+				Bucket:             bucket,
+				Delimiter:          delimiter,
+				KeyMarker:          keyMarker,
+				MaxUploads:         int(mpu.MaxUploads),
+				NextKeyMarker:      resultUpds[i-1].Key,
+				NextUploadIDMarker: resultUpds[i-1].UploadID,
+				IsTruncated:        true,
+				Prefix:             prefix,
+				UploadIDMarker:     uploadIDMarker,
+				Uploads:            resultUpds,
+			}, nil
+		}
+
+		resultUpds = append(resultUpds, uploads[i])
+	}
+
 	return s3response.ListMultipartUploadsResult{
 		Bucket:         bucket,
 		Delimiter:      delimiter,
@@ -621,7 +644,7 @@ func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUpl
 		MaxUploads:     int(mpu.MaxUploads),
 		Prefix:         prefix,
 		UploadIDMarker: uploadIDMarker,
-		Uploads:        uploads,
+		Uploads:        resultUpds,
 	}, nil
 }
 
diff --git a/integration/action-tests.go b/integration/action-tests.go
index c3ea1b5..d1650dd 100644
--- a/integration/action-tests.go
+++ b/integration/action-tests.go
@@ -133,6 +133,10 @@ func TestListParts(s *S3Conf) {
 func TestListMultipartUploads(s *S3Conf) {
 	ListMultipartUploads_non_existing_bucket(s)
 	ListMultipartUploads_empty_result(s)
+	ListMultipartUploads_invalid_max_uploads(s)
+	ListMultipartUploads_max_uploads(s)
+	ListMultipartUploads_incorrect_next_key_marker(s)
+	ListMultipartUploads_ignore_upload_id_marker(s)
 	ListMultipartUploads_success(s)
 }
 
diff --git a/integration/tests.go b/integration/tests.go
index 30d12bd..aa7e0fc 100644
--- a/integration/tests.go
+++ b/integration/tests.go
@@ -1652,12 +1652,7 @@ func CreateMultipartUpload_non_existing_bucket(s *S3Conf) {
 	testName := "CreateMultipartUpload_non_existing_bucket"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		bucketName := getBucketName()
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		_, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucketName,
-			Key:    getPtr("my-obj"),
-		})
-		cancel()
+		_, err := CreateMp(s3client, bucketName, "my-obj")
 		if err := checkApiErr(err, s3err.GetAPIError(s3err.ErrNoSuchBucket)); err != nil {
 			return err
 		}
@@ -1670,12 +1665,7 @@ func CreateMultipartUpload_success(s *S3Conf) {
 	testName := "CreateMultipartUpload_success"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
@@ -1753,17 +1743,12 @@ func UploadPart_non_existing_key(s *S3Conf) {
 	testName := "UploadPart_non_existing_key"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPart(ctx, &s3.UploadPartInput{
 			Bucket:     &bucket,
 			Key:        getPtr("non-existing-object-key"),
@@ -1782,16 +1767,11 @@ func UploadPart_success(s *S3Conf) {
 	testName := "UploadPart_success"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		res, err := s3client.UploadPart(ctx, &s3.UploadPartInput{
 			Bucket:     &bucket,
 			Key:        &obj,
@@ -1842,17 +1822,12 @@ func UploadPartCopy_incorrect_uploadId(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		_, err = s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		_, err = CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr(srcBucket + "/" + srcObj),
@@ -1887,17 +1862,12 @@ func UploadPartCopy_incorrect_object_key(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr(srcBucket + "/" + srcObj),
@@ -1944,17 +1914,12 @@ func UploadPartCopy_invalid_copy_source(s *S3Conf) {
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr("invalid-copy-source"),
@@ -1976,17 +1941,12 @@ func UploadPartCopy_non_existing_source_bucket(s *S3Conf) {
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr("src/bucket/src/obj"),
@@ -2013,17 +1973,12 @@ func UploadPartCopy_non_existing_source_object_key(s *S3Conf) {
 			return nil
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr(srcBucket + "/non/existing/obj/key"),
@@ -2062,17 +2017,12 @@ func UploadPartCopy_success(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		copyOut, err := s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:     &bucket,
 			CopySource: getPtr(srcBucket + "/" + srcObj),
@@ -2135,17 +2085,12 @@ func UploadPartCopy_by_range_invalid_range(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:          &bucket,
 			CopySource:      getPtr(srcBucket + "/" + srcObj),
@@ -2185,17 +2130,12 @@ func UploadPartCopy_by_range_success(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		copyOut, err := s3client.UploadPartCopy(ctx, &s3.UploadPartCopyInput{
 			Bucket:          &bucket,
 			CopySource:      getPtr(srcBucket + "/" + srcObj),
@@ -2264,17 +2204,12 @@ func ListParts_incorrect_object_key(s *S3Conf) {
 	testName := "ListParts_incorrect_object_key"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.ListParts(ctx, &s3.ListPartsInput{
 			Bucket:   &bucket,
 			Key:      getPtr("incorrect-object-key"),
@@ -2293,12 +2228,7 @@ func ListParts_success(s *S3Conf) {
 	testName := "ListParts_success"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
@@ -2308,7 +2238,7 @@ func ListParts_success(s *S3Conf) {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		res, err := s3client.ListParts(ctx, &s3.ListPartsInput{
 			Bucket:   &bucket,
 			Key:      &obj,
@@ -2363,31 +2293,146 @@ func ListMultipartUploads_empty_result(s *S3Conf) {
 	})
 }
 
+func ListMultipartUploads_invalid_max_uploads(s *S3Conf) {
+	testName := "ListMultipartUploads_invalid_max_uploads"
+	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
+		_, err := s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
+			Bucket:     &bucket,
+			MaxUploads: -3,
+		})
+		cancel()
+		if err := checkApiErr(err, s3err.GetAPIError(s3err.ErrInvalidMaxKeys)); err != nil {
+			return err
+		}
+
+		return nil
+	})
+}
+
+func ListMultipartUploads_max_uploads(s *S3Conf) {
+	testName := "ListMultipartUploads_max_uploads"
+	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		uploads := []types.MultipartUpload{}
+		for i := 1; i < 6; i++ {
+			out, err := CreateMp(s3client, bucket, fmt.Sprintf("obj%v", i))
+			if err != nil {
+				return err
+			}
+			uploads = append(uploads, types.MultipartUpload{UploadId: out.UploadId, Key: out.Key})
+		}
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
+		out, err := s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
+			Bucket:     &bucket,
+			MaxUploads: 2,
+		})
+		cancel()
+		if err != nil {
+			return err
+		}
+		if !out.IsTruncated {
+			return fmt.Errorf("expected the output to be truncated")
+		}
+		if out.MaxUploads != 2 {
+			return fmt.Errorf("expected max-uploads to be 2, instead got %v", out.MaxUploads)
+		}
+		if ok := compareMultipartUploads(out.Uploads, uploads[:2]); !ok {
+			return fmt.Errorf("expected multipart uploads to be %v, instead got %v", uploads[:2], out.Uploads)
+		}
+		if *out.NextKeyMarker != *uploads[1].Key {
+			return fmt.Errorf("expected next-key-marker to be %v, instead got %v", *uploads[1].Key, *out.NextKeyMarker)
+		}
+		if *out.NextUploadIdMarker != *uploads[1].UploadId {
+			return fmt.Errorf("expected next-upload-id-marker to be %v, instead got %v", *uploads[1].Key, *out.NextKeyMarker)
+		}
+
+		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		out, err = s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
+			Bucket:    &bucket,
+			KeyMarker: out.NextKeyMarker,
+		})
+		cancel()
+		if err != nil {
+			return err
+		}
+		if ok := compareMultipartUploads(out.Uploads, uploads[2:]); !ok {
+			return fmt.Errorf("expected multipart uploads to be %v, instead got %v", uploads[2:], out.Uploads)
+		}
+
+		return nil
+	})
+}
+
+func ListMultipartUploads_incorrect_next_key_marker(s *S3Conf) {
+	testName := "ListMultipartUploads_incorrect_next_key_marker"
+	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		for i := 1; i < 6; i++ {
+			_, err := CreateMp(s3client, bucket, fmt.Sprintf("obj%v", i))
+			if err != nil {
+				return err
+			}
+		}
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
+		out, err := s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
+			Bucket:    &bucket,
+			KeyMarker: getPtr("incorrect_object_key"),
+		})
+		cancel()
+		if err != nil {
+			return err
+		}
+
+		if len(out.Uploads) != 0 {
+			return fmt.Errorf("expected empty list of multipart uploads, instead got %v", out.Uploads)
+		}
+
+		return nil
+	})
+}
+
+func ListMultipartUploads_ignore_upload_id_marker(s *S3Conf) {
+	testName := "ListMultipartUploads_ignore_upload_id_marker"
+	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		uploads := []types.MultipartUpload{}
+		for i := 1; i < 6; i++ {
+			out, err := CreateMp(s3client, bucket, fmt.Sprintf("obj%v", i))
+			if err != nil {
+				return err
+			}
+			uploads = append(uploads, types.MultipartUpload{UploadId: out.UploadId, Key: out.Key})
+		}
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
+		out, err := s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
+			Bucket:         &bucket,
+			UploadIdMarker: uploads[2].UploadId,
+		})
+		cancel()
+		if err != nil {
+			return err
+		}
+		if ok := compareMultipartUploads(out.Uploads, uploads); !ok {
+			return fmt.Errorf("expected multipart uploads to be %v, instead got %v", uploads, out.Uploads)
+		}
+
+		return nil
+	})
+}
+
 func ListMultipartUploads_success(s *S3Conf) {
 	testName := "ListMultipartUploads_max_uploads"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj1, obj2 := "my-obj-1", "my-obj-2"
+		out1, err := CreateMp(s3client, bucket, obj1)
+		if err != nil {
+			return err
+		}
+
+		out2, err := CreateMp(s3client, bucket, obj2)
+		if err != nil {
+			return err
+		}
+
 		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out1, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj1,
-		})
-		cancel()
-		if err != nil {
-			return err
-		}
-
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
-		out2, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj2,
-		})
-		cancel()
-		if err != nil {
-			return err
-		}
-
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
 		out, err := s3client.ListMultipartUploads(ctx, &s3.ListMultipartUploadsInput{
 			Bucket: &bucket,
 		})
@@ -2397,14 +2442,14 @@ func ListMultipartUploads_success(s *S3Conf) {
 		}
 
 		expected := []types.MultipartUpload{
-			{
-				Key:      &obj2,
-				UploadId: out2.UploadId,
-			},
 			{
 				Key:      &obj1,
 				UploadId: out1.UploadId,
 			},
+			{
+				Key:      &obj2,
+				UploadId: out2.UploadId,
+			},
 		}
 
 		if len(out.Uploads) != 2 {
@@ -2458,17 +2503,12 @@ func AbortMultipartUpload_incorrect_object_key(s *S3Conf) {
 	testName := "AbortMultipartUpload_incorrect_object_key"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.AbortMultipartUpload(ctx, &s3.AbortMultipartUploadInput{
 			Bucket:   &bucket,
 			Key:      getPtr("incorrect-object-key"),
@@ -2487,17 +2527,12 @@ func AbortMultipartUpload_success(s *S3Conf) {
 	testName := "AbortMultipartUpload_success"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.AbortMultipartUpload(ctx, &s3.AbortMultipartUploadInput{
 			Bucket:   &bucket,
 			Key:      &obj,
@@ -2547,16 +2582,11 @@ func CompleteMultipartUpload_invalid_part_number(s *S3Conf) {
 	testName := "CompleteMultipartUpload_invalid_part_number"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		res, err := s3client.UploadPart(ctx, &s3.UploadPartInput{
 			Bucket:     &bucket,
 			Key:        &obj,
@@ -2595,16 +2625,11 @@ func CompleteMultipartUpload_invalid_ETag(s *S3Conf) {
 	testName := "CompleteMultipartUpload_invalid_ETag"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		_, err = s3client.UploadPart(ctx, &s3.UploadPartInput{
 			Bucket:     &bucket,
 			Key:        &obj,
@@ -2643,12 +2668,7 @@ func CompleteMultipartUpload_success(s *S3Conf) {
 	testName := "CompleteMultipartUpload_success"
 	actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
 		obj := "my-obj"
-		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-		out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
-			Bucket: &bucket,
-			Key:    &obj,
-		})
-		cancel()
+		out, err := CreateMp(s3client, bucket, obj)
 		if err != nil {
 			return err
 		}
@@ -2667,7 +2687,7 @@ func CompleteMultipartUpload_success(s *S3Conf) {
 			})
 		}
 
-		ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
 		res, err := s3client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
 			Bucket:   &bucket,
 			Key:      &obj,
diff --git a/integration/utils.go b/integration/utils.go
index ac71d11..8a3fd18 100644
--- a/integration/utils.go
+++ b/integration/utils.go
@@ -240,6 +240,16 @@ func putObjectWithData(lgth int64, input *s3.PutObjectInput, client *s3.Client)
 	return
 }
 
+func CreateMp(s3client *s3.Client, bucket, key string) (*s3.CreateMultipartUploadOutput, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
+	out, err := s3client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
+		Bucket: &bucket,
+		Key:    &key,
+	})
+	cancel()
+	return out, err
+}
+
 func isEqual(a, b []byte) bool {
 	if len(a) != len(b) {
 		return false
diff --git a/s3api/controllers/base.go b/s3api/controllers/base.go
index 927c6f4..8ce0ea0 100644
--- a/s3api/controllers/base.go
+++ b/s3api/controllers/base.go
@@ -25,7 +25,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
 	"github.com/aws/aws-sdk-go-v2/service/s3/types"
 	"github.com/gofiber/fiber/v2"
@@ -222,6 +221,9 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 	marker := ctx.Query("marker")
 	delimiter := ctx.Query("delimiter")
 	maxkeysStr := ctx.Query("max-keys")
+	keyMarker := ctx.Query("key-marker")
+	maxUploadsStr := ctx.Query("max-uploads")
+	uploadIdMarker := ctx.Query("upload-id-marker")
 	access := ctx.Locals("access").(string)
 	isRoot := ctx.Locals("isRoot").(bool)
 	parsedAcl := ctx.Locals("parsedAcl").(auth.ACL)
@@ -244,7 +246,22 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListMultipartUploads", BucketOwner: parsedAcl.Owner})
 		}
-		res, err := c.be.ListMultipartUploads(ctx.Context(), &s3.ListMultipartUploadsInput{Bucket: aws.String(ctx.Params("bucket"))})
+		maxUploads, err := utils.ParseUint(maxUploadsStr)
+		if err != nil {
+			return SendXMLResponse(ctx, nil, err, &MetaOpts{
+				Logger:      c.logger,
+				Action:      "ListMultipartUploads",
+				BucketOwner: parsedAcl.Owner,
+			})
+		}
+		res, err := c.be.ListMultipartUploads(ctx.Context(), &s3.ListMultipartUploadsInput{
+			Bucket:         &bucket,
+			Delimiter:      &delimiter,
+			Prefix:         &prefix,
+			UploadIdMarker: &uploadIdMarker,
+			MaxUploads:     maxUploads,
+			KeyMarker:      &keyMarker,
+		})
 		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListMultipartUploads", BucketOwner: parsedAcl.Owner})
 	}
 
@@ -252,7 +269,7 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListObjectsV2", BucketOwner: parsedAcl.Owner})
 		}
-		maxkeys, err := utils.ParseMaxKeys(maxkeysStr)
+		maxkeys, err := utils.ParseUint(maxkeysStr)
 		if err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{
 				Logger:      c.logger,
@@ -274,7 +291,7 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 		return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListObjects", BucketOwner: parsedAcl.Owner})
 	}
 
-	maxkeys, err := utils.ParseMaxKeys(maxkeysStr)
+	maxkeys, err := utils.ParseUint(maxkeysStr)
 	if err != nil {
 		return SendXMLResponse(ctx, nil, err, &MetaOpts{
 			Logger:      c.logger,
diff --git a/s3api/utils/utils.go b/s3api/utils/utils.go
index 4103d72..45a998b 100644
--- a/s3api/utils/utils.go
+++ b/s3api/utils/utils.go
@@ -80,7 +80,7 @@ func SetMetaHeaders(ctx *fiber.Ctx, meta map[string]string) {
 	}
 }
 
-func ParseMaxKeys(str string) (int32, error) {
+func ParseUint(str string) (int32, error) {
 	if str == "" {
 		return -1, nil
 	}
diff --git a/s3api/utils/utils_test.go b/s3api/utils/utils_test.go
index 4fbaa6f..d473d0b 100644
--- a/s3api/utils/utils_test.go
+++ b/s3api/utils/utils_test.go
@@ -222,7 +222,7 @@ func TestIsValidBucketName(t *testing.T) {
 	}
 }
 
-func TestParseMaxKeys(t *testing.T) {
+func TestParseUint(t *testing.T) {
 	type args struct {
 		str string
 	}
@@ -233,7 +233,7 @@ func TestParseMaxKeys(t *testing.T) {
 		wantErr bool
 	}{
 		{
-			name: "Parse-max-keys-empty-string",
+			name: "Parse-uint-empty-string",
 			args: args{
 				str: "",
 			},
@@ -241,7 +241,7 @@ func TestParseMaxKeys(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name: "Parse-max-keys-invalid-number-string",
+			name: "Parse-uint-invalid-number-string",
 			args: args{
 				str: "bla",
 			},
@@ -249,7 +249,7 @@ func TestParseMaxKeys(t *testing.T) {
 			wantErr: true,
 		},
 		{
-			name: "Parse-max-keys-invalid-negative-number",
+			name: "Parse-uint-invalid-negative-number",
 			args: args{
 				str: "-5",
 			},
@@ -259,7 +259,7 @@ func TestParseMaxKeys(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := ParseMaxKeys(tt.args.str)
+			got, err := ParseUint(tt.args.str)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("ParseMaxKeys() error = %v, wantErr %v", err, tt.wantErr)
 				return