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Drive and Photo Service:UploadPartInfo

Last Updated:Feb 26, 2026

Parameter

Type

Description

Example

object

Part information

part_number

integer

The part number.

1

part_size

integer

This field is deprecated. Do not use it.

1024

upload_url

string

The upload URL. The URL is valid for 15 minutes by default. If the link expires, call GetUploadUrl again to get a new one. After you enable intelligent data endpoints, the value of internal_upload_url is automatically returned in this field based on the request.

https://data.aliyunpds.com/xxx/xxx?Expires=xxx&OSSAccessKeyId=xxx&Signature=xxx&partNumber=1&uploadId=0CC175B9C0F1B6A831C399E269772661

internal_upload_url

string

The upload URL for the internal network. This URL is used for access within a VPC. After you enable intelligent data endpoints, this field is no longer used. The parameter is automatically returned in the upload_url field based on the request. To use this field, contact PDS technical support.

https://data-vpc.aliyunpds.com/xxx/xxx?Expires=xxx&OSSAccessKeyId=xxx&Signature=xxx&partNumber=1&uploadId=0CC175B9C0F1B6A831C399E269772661

etag

string

This field is deprecated. Do not use it.

"0CC175B9C0F1B6A831C399E269772661"

parallel_sha1_ctx

object

The SHA-1 context of the previous part. This field is valid only in concurrent multipart upload mode.

h

array

The first five 32-bit variables of the SHA-1 hash of the previous data block. This field is valid only in concurrent multipart upload mode.

integer

part_offset

integer

The total length in bytes up to the previous data block. The value must be a multiple of 64. This field is valid only in concurrent multipart upload mode.

10240

upload_form_info

UploadFormInfo

The form upload information.

internal_upload_form_info

UploadFormInfo

The internal network form upload information.

signature_info

object

The file upload signature information.

auth_type

string

The signature method.

signature

string

The result of the header signature.

sts_token

string

The STS token for the header signature.

parallel_sha256_ctx

object

The SHA-256 context of the previous part.

h

array

The first eight 32-bit variables of the SHA-256 hash of the previous data block.

integer

part_offset

integer

The total length in bytes up to the previous data block. The value must be a multiple of 64.