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Amazon Bedrock Agents

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description Amazon Bedrock Agents Overview

For organizations deeply invested in the AWS cloud ecosystem, Bedrock Agents provide a native, secure way to build agents that interact with AWS services and external APIs. Its strength lies in its tight integration with IAM, VPCs, and other AWS security primitives, making it highly compliant for AWS-native workloads. It simplifies the process of giving an agent 'tools' that call AWS functions reliably.

help Amazon Bedrock Agents FAQ

Do I need an existing AWS account with provisioned foundation model access to use Bedrock Agents?

Yes, Bedrock Agents requires an active AWS account and you must request access to specific foundation models (such as Anthropic Claude or Amazon Titan) through the Bedrock console before building agents. Model access is granted on a per-region basis, so availability depends on which AWS region you are operating in.

Can Bedrock Agents call external REST APIs outside of AWS?

Yes, you can connect Bedrock Agents to external APIs using OpenAPI/Swagger schemas to define the available actions. The agent can also leverage Lambda functions as intermediaries if the external API requires complex authentication or data transformation.

How do Bedrock Agents handle user permissions and IAM roles?

Bedrock Agents integrates natively with AWS IAM, meaning the agent operates under the permissions of the role you assign to it. This ensures that if the calling user lacks permission for a particular AWS service action, the agent will also be denied access, maintaining your organization's existing security posture.

What is the difference between Amazon Bedrock Agents and AWS Step Functions for orchestrating multi-step workflows?

Step Functions is a deterministic state machine for orchestrating defined workflows with explicit branching logic, while Bedrock Agents use an LLM to dynamically decide which tools and actions to invoke based on natural language input. Many architectures combine both—using Bedrock Agents for user-facing reasoning and Step Functions for backend execution.

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