Integrating optimized services with Step Functions
You can call Optimized integrations services directly from the Amazon States Language in the Resource field
of a Task state. The following topics include the supported APIs, parameters, request/response syntax in the Amazon States Language for coordinating other Amazon services.
You can use three service integration patterns:
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Request a Response (default) - wait for HTTP response, then go to the next state
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Run a Job (.sync) - wait for the job to complete
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Wait for Callback (.waitForTaskToken) - pause a workflow until a task token is returned
Standard Workflows and Express Workflows support the same integrations but not the same integration patterns.
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Standard Workflows support Request Response integrations. Certain services support Run a Job (.sync), or Wait for Callback (.waitForTaskToken) , and both in some cases. See the following optimized integrations table for details.
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Express Workflows only support Request Response integrations.
To help decide between the two types, see Choosing workflow type in Step Functions.
Amazon SDK integrations in Step Functions
| Integrated service | Request Response | Run a Job - .sync | Wait for Callback - .waitForTaskToken |
|---|---|---|---|
| Over two hundred services | Standard & Express | Not supported | Standard |
Optimized integrations in Step Functions
| Integrated service | Request Response | Run a Job - .sync | Wait for Callback - .waitForTaskToken |
|---|---|---|---|
| Amazon API Gateway | Standard & Express | Not supported | Standard |
| Amazon Athena | Standard & Express | Standard | Not supported |
| Amazon Batch | Standard & Express | Standard | Not supported |
| Amazon Bedrock | Standard & Express | Standard | Standard |
| Amazon CodeBuild | Standard & Express | Standard | Not supported |
| Amazon DynamoDB | Standard & Express | Not supported | Not supported |
| Amazon ECS/Fargate | Standard & Express | Standard | Standard |
| Amazon EKS | Standard & Express | Standard | Standard |
| Amazon EMR | Standard & Express | Standard | Not supported |
| Amazon EMR on EKS | Standard & Express | Standard | Not supported |
| Amazon EMR Serverless | Standard & Express | Standard | Not supported |
| Amazon EventBridge | Standard & Express | Not supported | Standard |
| Amazon Glue | Standard & Express | Standard | Not supported |
| Amazon Glue DataBrew | Standard & Express | Standard | Not supported |
| Amazon Lambda | Standard & Express | Not supported | Standard |
| AWS Elemental MediaConvert | Standard & Express | Standard | Not supported |
| Amazon SageMaker | Standard & Express | Standard | Not supported |
| Amazon SNS | Standard & Express | Not supported | Standard |
| Amazon SQS | Standard & Express | Not supported | Standard |
| Amazon Step Functions | Standard & Express | Standard | Standard |