AWS Lambda
Developer Guide

InvokeAsync

This action has been deprecated.

Important

For asynchronous function invocation, use Invoke.

Invokes a function asynchronously.

Request Syntax

POST /2014-11-13/functions/FunctionName/invoke-async/ HTTP/1.1 InvokeArgs

URI Request Parameters

The request requires the following URI parameters.

FunctionName

The name of the Lambda function.

Name formats

  • Function name - my-function.

  • Function ARN - arn:aws:lambda:us-west-2:123456789012:function:my-function.

  • Partial ARN - 123456789012:function:my-function.

The length constraint applies only to the full ARN. If you specify only the function name, it is limited to 64 characters in length.

Length Constraints: Minimum length of 1. Maximum length of 170.

Pattern: (arn:(aws[a-zA-Z-]*)?:lambda:)?([a-z]{2}(-gov)?-[a-z]+-\d{1}:)?(\d{12}:)?(function:)?([a-zA-Z0-9-_\.]+)(:(\$LATEST|[a-zA-Z0-9-_]+))?

Request Body

The request accepts the following binary data.

InvokeArgs

The JSON that you want to provide to your Lambda function as input.

Response Syntax

HTTP/1.1 Status

Response Elements

If the action is successful, the service sends back the following HTTP response.

Status

The status code.

Errors

InvalidRequestContentException

The request body could not be parsed as JSON.

HTTP Status Code: 400

InvalidRuntimeException

The runtime or runtime version specified is not supported.

HTTP Status Code: 502

ResourceNotFoundException

The resource (for example, a Lambda function or access policy statement) specified in the request does not exist.

HTTP Status Code: 404

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

See Also

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