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. The following list includes deprecated runtimes. For more information, see Runtime use after deprecation. For a list of all currently supported runtimes, see Supported runtimes. Valid Values: nodejs | nodejs4.3 | nodejs6.10 | nodejs8.10 | nodejs10.x | nodejs12.x | nodejs14.x | nodejs16.x | java8 | java8.al2 | java11 | python2.7 | python3.6 | python3.7 | python3.8 | python3.9 | dotnetcore1.0 | dotnetcore2.0 | dotnetcore2.1 | dotnetcore3.1 | dotnet6 | dotnet8 | nodejs4.3-edge | go1.x | ruby2.5 | ruby2.7 | provided | provided.al2 | nodejs18.x | python3.10 | java17 | ruby3.2 | ruby3.3 | ruby3.4 | python3.11 | nodejs20.x | provided.al2023 | python3.12 | java21 | python3.13 | nodejs22.x
- 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. - message
- 
                        The exception message. 
- Type
- 
                        The exception type. 
 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. - retryAfterSeconds
- 
                        The number of seconds the caller should wait before retrying. 
 HTTP Status Code: 429 
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: