GetLayerVersion - Amazon Lambda
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

GetLayerVersion

Returns information about a version of an Amazon Lambda layer, with a link to download the layer archive that's valid for 10 minutes.

Request Syntax

GET /2018-10-31/layers/LayerName/versions/VersionNumber HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

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

VersionNumber

The version number.

Required: Yes

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "CompatibleArchitectures": [ "string" ], "CompatibleRuntimes": [ "string" ], "Content": { "CodeSha256": "string", "CodeSize": number, "Location": "string", "SigningJobArn": "string", "SigningProfileVersionArn": "string" }, "CreatedDate": "string", "Description": "string", "LayerArn": "string", "LayerVersionArn": "string", "LicenseInfo": "string", "Version": number }

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.

CompatibleArchitectures

A list of compatible instruction set architectures.

Type: Array of strings

Array Members: Maximum number of 2 items.

Valid Values: x86_64 | arm64

CompatibleRuntimes

The layer's compatible runtimes.

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

Type: Array of strings

Array Members: Maximum number of 15 items.

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 | python3.11 | nodejs20.x | provided.al2023 | python3.12 | java21

Content

Details about the layer version.

Type: LayerVersionContentOutput object

CreatedDate

The date that the layer version was created, in ISO-8601 format (YYYY-MM-DDThh:mm:ss.sTZD).

Type: String

Description

The description of the version.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 256.

LayerArn

The ARN of the layer.

Type: String

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-_]+

LayerVersionArn

The ARN of the layer version.

Type: String

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-_]+:[0-9]+

LicenseInfo

The layer's software license.

Type: String

Length Constraints: Maximum length of 512.

Version

The version number.

Type: Long

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 Amazon 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

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: