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Intelligent Media Services:ListRecognitionSamples

Last Updated:Jan 28, 2026

Retrieves all samples of a custom entity. Pagination is supported.

Operation description

  • This API is supported only in the China (Beijing), China (Shanghai), China (Hangzhou), and China (Shenzhen) regions.

  • You can call this operation up to 50 times per second per account. Requests that exceed this limit are dropped and you may experience service interruptions.

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Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

ice:ListRecognitionSamples

get

*All Resource

*

None

None

Request parameters

Parameter

Type

Required

Description

Example

Algorithm

string

Yes

The type of recognition algorithm. Valid values:

  • landmark

  • object

  • logo

  • face

landmark

LibId

string

Yes

The library ID. If you specify this parameter, the system performs an exact match. You can specify multiple library IDs. Separate them with commas (,).

lib1,lib2,lib3

EntityId

string

Yes

The entity ID. If you set this parameter to ANY, the system queries by EntityName.

**************544cb84754************

PageNumber

integer

Yes

The page number.

1

PageSize

integer

Yes

The number of entries per page.

10

EntityName

string

No

The entity name.

custom_person

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

******11-DB8D-4A9A-875B-275798******

PageNumber

integer

The page number.

1

PageSize

integer

The number of entries per page.

20

TotalCount

integer

The total number of samples.

5

Samples

object

Sample

array<object>

The samples.

object

A sample.

SampleId

string

The sample ID.

**************4d2ba728e2f**************

ImageUrl

string

The URL of the image sample.

https://example.com/sample.png

EntityId

string

The entity ID.

*******49ff-9b15******

LibId

string

The library ID.

**********23da4529998************

Examples

Success response

JSON format

{
  "RequestId": "******11-DB8D-4A9A-875B-275798******",
  "PageNumber": 1,
  "PageSize": 20,
  "TotalCount": 5,
  "Samples": {
    "Sample": [
      {
        "SampleId": "**************4d2ba728e2f**************",
        "ImageUrl": "https://example.com/sample.png",
        "EntityId": "*******49ff-9b15******",
        "LibId": "**********23da4529998************"
      }
    ]
  }
}

Error codes

HTTP status code

Error code

Error message

Description

500

InternalError

errorMsg:%s

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.