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

ListLayerVersions

Lists the versions of an AWS Lambda layer. Versions that have been deleted aren't listed. Specify a runtime identifier to list only versions that indicate that they're compatible with that runtime. Specify a compatible architecture to include only layer versions that are compatible with that architecture.

Request Syntax


GET /2018-10-31/layers/LayerName/versions?CompatibleArchitecture=CompatibleArchitecture&CompatibleRuntime=CompatibleRuntime&Marker=Marker&MaxItems=MaxItems HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

CompatibleArchitecture

The compatible instruction set architecture.

Valid Values: x86_64 | arm64

CompatibleRuntime

A runtime identifier. For example, java21.

The following list includes deprecated runtimes. For more information, see Runtime deprecation policy.

LayerName

The name or Amazon Resource Name (ARN) of the layer.

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: (arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+)|[a-zA-Z0-9-_]+

Required: Yes

Marker

A pagination token returned by a previous call.

MaxItems

The maximum number of versions to return.

Valid Range: Minimum value of 1. Maximum value of 50.

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "LayerVersions": [ 
      { 
         "CompatibleArchitectures": [ "string" ],
         "CompatibleRuntimes": [ "string" ],
         "CreatedDate": "string",
         "Description": "string",
         "LayerVersionArn": "string",
         "LicenseInfo": "string",
         "Version": number
      }
   ],
   "NextMarker": "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.

LayerVersions

A list of versions.

Type: Array of LayerVersionsListItem objects

NextMarker

A pagination token returned when the response doesn't contain all versions.

Type: String

Errors

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

InvalidParameterValueException

One of the parameters in the request is not valid.

HTTP Status Code: 400

ResourceNotFoundException

The resource specified in the request does not exist.

HTTP Status Code: 404

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

TooManyRequestsException

The request throughput limit was exceeded. For more information, see Lambda quotas.

HTTP Status Code: 429