Updated on 2026-01-16 GMT+08:00

Verifying the Upload

Function

This API is used to check whether a media file has been stored in VOD.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

URI

GET /v1.0/{project_id}/asset/duplication

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain the project ID, see Obtaining a Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

size

Yes

Integer

File size.

md5

Yes

String

MD5 value of the file.

You are advised to refer to the example of verifying an uploaded media file in "Generating an MD5 Value" in the appendix of the API Reference.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

No

String

User token. This parameter is mandatory when token authentication is used.

It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Authorization

No

String

Authentication information. This parameter is mandatory for AK/SK authentication.

X-Sdk-Date

No

String

Time when a request is sent. This parameter is mandatory for AK/SK authentication.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

is_duplicated

Integer

Whether there are duplicate media asset IDs.

The options include:

  • 0: There are no duplicate IDs.

  • 1: There are duplicate IDs.

asset_ids

Array of strings

Duplicate media asset IDs.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error description.

Example Requests

This example checks whether a media file has been stored in VOD.

GET https://{endpoint}/v1.0/{project_id}/asset/duplication?md5={md5}&size={size}

Example Responses

Status code: 200

Returned when the request succeeded.

{
  "is_duplicated" : 1,
  "asset_ids" : [ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ]
}

Status code: 400

Returned when the request failed.

{
  "error_code" : "VOD.10053",
  "error_msg" : "The request parameter is illegal, illegal field: {xx}."
}

Status Codes

Status Code

Description

200

Returned when the request succeeded.

400

Returned when the request failed.

Error Codes

See Error Codes.