Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

SendDurableExecutionCallbackSuccess

Sends a successful completion response for a callback operation in a durable execution. Use this API when an external system has successfully completed a callback operation.

Request Syntax


POST /2025-12-01/durable-execution-callbacks/CallbackId/succeed HTTP/1.1

Result

URI Request Parameters

The request uses the following URI parameters.

CallbackId

The unique identifier for the callback operation.

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: [A-Za-z0-9+/]+={0,2}

Required: Yes

Request Body

The request accepts the following binary data.

Result

The result data from the successful callback operation. Maximum size is 256 KB.

Length Constraints: Minimum length of 0. Maximum length of 262144.

Response Syntax


HTTP/1.1 200

Response Elements

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

Errors

For information about the errors that are common to all actions, see Common Error Types.

CallbackTimeoutException

The callback ID token has either expired or the callback associated with the token has already been closed.

Type: The exception type.

HTTP Status Code: 400

InvalidParameterValueException

One of the parameters in the request is not valid.

message: The exception message.
Type: The exception type.

HTTP Status Code: 400

KMSAccessDeniedException

Lambda couldn't decrypt the environment variables because AWS KMS access was denied. Check the Lambda function's KMS permissions.

HTTP Status Code: 502

KMSDisabledException

Lambda couldn't decrypt the environment variables because the AWS KMS key used is disabled. Check the Lambda function's KMS key settings.

HTTP Status Code: 502

KMSInvalidStateException

Lambda couldn't decrypt the environment variables because the state of the AWS KMS key used is not valid for Decrypt. Check the function's KMS key settings.

HTTP Status Code: 502

KMSNotFoundException

Lambda couldn't decrypt the environment variables because the AWS KMS key was not found. Check the function's KMS key settings.

HTTP Status Code: 502

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