Help with Bedrock Agentcore Gateway Target setup

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Learn to set up AWS Bedrock AgentCore Gateway Target with Durable Execution Lambda handlers and troubleshoot common errors

intermediate Published 8 May 2026

Action Steps

Check the compatibility of AWS Bedrock AgentCore Gateway with Durable Execution Lambda handlers
Verify the Lambda function ARN and ensure it is correctly configured
Update the target registration with the correct Lambda function ARN and handler
Use the AWS CLI or SDK to troubleshoot and debug the target registration process
Validate the request payload and parameters for the Update Target operation

Who Needs to Know This

Developers and DevOps engineers working with AWS Lambda and Bedrock AgentCore Gateway can benefit from this setup and troubleshooting guide

Key Insight

💡 Ensure correct configuration and compatibility between AWS Bedrock AgentCore Gateway and Durable Execution Lambda handlers

Key Takeaways

Learn to set up AWS Bedrock AgentCore Gateway Target with Durable Execution Lambda handlers and troubleshoot common errors

Full Article

Title: Help with Bedrock Agentcore Gateway Target setup

URL Source: https://dev.to/dumb_dev_1803/help-with-bedrock-agentcore-gateway-target-setup-3lb5

Published Time: 2026-05-08T07:20:25Z

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Posted on May 8

# Help with Bedrock Agentcore Gateway Target setup

[#agents](https://dev.to/t/agents)[#aws](https://dev.to/t/aws)[#python](https://dev.to/t/python)[#serverless](https://dev.to/t/serverless)

Hey all,

TITLE: Is AWS Bedrock AgentCore Gateway officially compatible with Durable Execution Lambda handlers?

I’m trying to use an AWS Durable Lambda function ([https://docs.aws.amazon.com/lambda/latest/dg/durable-functions.html](https://docs.aws.amazon.com/lambda/latest/dg/durable-functions.html), [https://github.com/aws/aws-durable-execution-sdk-python](https://github.com/aws/aws-durable-execution-sdk-python)) as a target for AWS Bedrock AgentCore Gateway, but the target registration fails.

Error during “Update Target”:

Update Target operation failed for client-actions:

There was an error creating the target(s). ValidationException: Invalid request to Lambda function arn:xxx

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Help with Bedrock Agentcore Gateway Target setup

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