Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

ListModels

Important

End of support notice: On October 31, 2025, AWS will discontinue support for Amazon Lookout for Vision. After October 31, 2025, you will no longer be able to access the Lookout for Vision console or Lookout for Vision resources. For more information, visit this blog post.

Lists the versions of a model in an Amazon Lookout for Vision project.

The ListModels operation is eventually consistent. Recent calls to CreateModel might take a while to appear in the response from ListProjects.

This operation requires permissions to perform the lookoutvision:ListModels operation.

Request Syntax


GET /2020-11-20/projects/projectName/models?maxResults=MaxResults&nextToken=NextToken HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

MaxResults

The maximum number of results to return per paginated call. The largest value you can specify is 100. If you specify a value greater than 100, a ValidationException error occurs. The default value is 100.

Valid Range: Minimum value of 1. Maximum value of 100.

NextToken

If the previous response was incomplete (because there is more data to retrieve), Amazon Lookout for Vision returns a pagination token in the response. You can use this pagination token to retrieve the next set of models.

Length Constraints: Maximum length of 2048.

Pattern: ^[a-zA-Z0-9\/\+\=]{0,2048}$

projectName

The name of the project that contains the model versions that you want to list.

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [a-zA-Z0-9][a-zA-Z0-9_\-]*

Required: Yes

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "Models": [ 
      { 
         "CreationTimestamp": number,
         "Description": "string",
         "ModelArn": "string",
         "ModelVersion": "string",
         "Performance": { 
            "F1Score": number,
            "Precision": number,
            "Recall": number
         },
         "Status": "string",
         "StatusMessage": "string"
      }
   ],
   "NextToken": "string"
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

Models

A list of model versions in the specified project.

Type: Array of ModelMetadata objects

NextToken

If the response is truncated, Amazon Lookout for Vision returns this token that you can use in the subsequent request to retrieve the next set of models.

Type: String

Length Constraints: Maximum length of 2048.

Pattern: ^[a-zA-Z0-9\/\+\=]{0,2048}$

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedException

You are not authorized to perform the action.

HTTP Status Code: 403

ConflictException

The update or deletion of a resource caused an inconsistent state.

HTTP Status Code: 409

InternalServerException

Amazon Lookout for Vision experienced a service issue. Try your call again.

HTTP Status Code: 500

ResourceNotFoundException

The resource could not be found.

HTTP Status Code: 404

ThrottlingException

Amazon Lookout for Vision is temporarily unable to process the request. Try your call again.

HTTP Status Code: 429

ValidationException

An input validation error occured. For example, invalid characters in a project name, or if a pagination token is invalid.

HTTP Status Code: 400