AWS Lambda


Lists AWS Lambda layers and shows information about the latest version of each. Specify a runtime identifier to list only layers that indicate that they're compatible with that runtime.

Request Syntax

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

URI Request Parameters

The request requires the following URI parameters.


A runtime identifier. For example, go1.x.

Valid Values: nodejs8.10 | nodejs10.x | java8 | python2.7 | python3.6 | python3.7 | dotnetcore1.0 | dotnetcore2.1 | go1.x | ruby2.5 | provided


A pagination token returned by a previous call.


The maximum number of layers 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 { "Layers": [ { "LatestMatchingVersion": { "CompatibleRuntimes": [ "string" ], "CreatedDate": "string", "Description": "string", "LayerVersionArn": "string", "LicenseInfo": "string", "Version": number }, "LayerArn": "string", "LayerName": "string" } ], "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.


A list of function layers.

Type: Array of LayersListItem objects


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

Type: String



One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda to assume in the CreateFunction or the UpdateFunctionConfiguration API, that AWS Lambda is unable to assume you will get this exception.

HTTP Status Code: 400


The AWS Lambda service encountered an internal error.

HTTP Status Code: 500


Request throughput limit 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: