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API_GetLayerVersion.md

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GetLayerVersion

Returns information about a version of an AWS 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.
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 | java8 | java8.al2 | java11 | python2.7 | python3.6 | python3.7 | python3.8 | python3.9 | dotnetcore1.0 | dotnetcore2.0 | dotnetcore2.1 | dotnetcore3.1 | nodejs4.3-edge | go1.x | ruby2.5 | ruby2.7 | provided | provided.al2

** 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

** InvalidParameterValueException **
One of the parameters in the request is invalid.
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.
HTTP Status Code: 429

See Also

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