Amazon Step Functions
Amazon Step Functions is a serverless workflow orchestration service that lets you coordinate distributed applications and microservices using visual workflows, enabling you to build and update state machines that react to events, manage retries, and orchestrate complex business processes.
Amazon Step Functions publishes 37 APIs on the APIs.io network, including Executions API, History API, State Machines API, and 34 more. Tagged areas include Orchestration, Serverless, State Machine, and Workflow.
The Amazon Step Functions catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
Amazon Step Functions’ developer surface includes authentication, developer portal, documentation, support, engineering blog, developer console, signup flow, and 13 more developer resources.
Kin Score
APIs 37
Individual APIs this provider publishes, each with its own machine-readable definition.
Amazon Step Functions Executions API
Operations for starting, stopping, describing, and listing executions
Amazon Step Functions History API
Operations for retrieving execution history events
Amazon Step Functions State Machines API
Operations for creating, updating, describing, and deleting state machines
Amazon Step Functions #X Amz Target=AWSStepFunctions.CreateActivity API
The #X Amz Target=AWSStepFunctions.CreateActivity API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.createactivity.
Amazon Step Functions #X Amz Target=AWSStepFunctions.CreateStateMachine API
The #X Amz Target=AWSStepFunctions.CreateStateMachine API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.createstatemachine.
Amazon Step Functions #X Amz Target=AWSStepFunctions.CreateStateMachineAlias API
The #X Amz Target=AWSStepFunctions.CreateStateMachineAlias API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.createstatemachinealias.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DeleteActivity API
The #X Amz Target=AWSStepFunctions.DeleteActivity API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.deleteactivity.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DeleteStateMachine API
The #X Amz Target=AWSStepFunctions.DeleteStateMachine API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.deletestatemachine.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DeleteStateMachineAlias API
The #X Amz Target=AWSStepFunctions.DeleteStateMachineAlias API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.deletestatemachinealias.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DeleteStateMachineVersion API
The #X Amz Target=AWSStepFunctions.DeleteStateMachineVersion API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.deletestatemachineversion.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeActivity API
The #X Amz Target=AWSStepFunctions.DescribeActivity API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describeactivity.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeExecution API
The #X Amz Target=AWSStepFunctions.DescribeExecution API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describeexecution.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeMapRun API
The #X Amz Target=AWSStepFunctions.DescribeMapRun API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describemaprun.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeStateMachine API
The #X Amz Target=AWSStepFunctions.DescribeStateMachine API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describestatemachine.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeStateMachineAlias API
The #X Amz Target=AWSStepFunctions.DescribeStateMachineAlias API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describestatemachinealias.
Amazon Step Functions #X Amz Target=AWSStepFunctions.DescribeStateMachineForExecution API
The #X Amz Target=AWSStepFunctions.DescribeStateMachineForExecution API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.describestatemachineforexe...
Amazon Step Functions #X Amz Target=AWSStepFunctions.GetActivityTask API
The #X Amz Target=AWSStepFunctions.GetActivityTask API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.getactivitytask.
Amazon Step Functions #X Amz Target=AWSStepFunctions.GetExecutionHistory API
The #X Amz Target=AWSStepFunctions.GetExecutionHistory API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.getexecutionhistory.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListActivities API
The #X Amz Target=AWSStepFunctions.ListActivities API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.listactivities.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListExecutions API
The #X Amz Target=AWSStepFunctions.ListExecutions API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.listexecutions.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListMapRuns API
The #X Amz Target=AWSStepFunctions.ListMapRuns API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.listmapruns.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListStateMachineAliases API
The #X Amz Target=AWSStepFunctions.ListStateMachineAliases API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.liststatemachinealiases.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListStateMachines API
The #X Amz Target=AWSStepFunctions.ListStateMachines API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.liststatemachines.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListStateMachineVersions API
The #X Amz Target=AWSStepFunctions.ListStateMachineVersions API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.liststatemachineversions.
Amazon Step Functions #X Amz Target=AWSStepFunctions.ListTagsForResource API
The #X Amz Target=AWSStepFunctions.ListTagsForResource API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.listtagsforresource.
Amazon Step Functions #X Amz Target=AWSStepFunctions.PublishStateMachineVersion API
The #X Amz Target=AWSStepFunctions.PublishStateMachineVersion API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.publishstatemachineversion.
Amazon Step Functions #X Amz Target=AWSStepFunctions.SendTaskFailure API
The #X Amz Target=AWSStepFunctions.SendTaskFailure API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.sendtaskfailure.
Amazon Step Functions #X Amz Target=AWSStepFunctions.SendTaskHeartbeat API
The #X Amz Target=AWSStepFunctions.SendTaskHeartbeat API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.sendtaskheartbeat.
Amazon Step Functions #X Amz Target=AWSStepFunctions.SendTaskSuccess API
The #X Amz Target=AWSStepFunctions.SendTaskSuccess API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.sendtasksuccess.
Amazon Step Functions #X Amz Target=AWSStepFunctions.StartExecution API
The #X Amz Target=AWSStepFunctions.StartExecution API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.startexecution.
Amazon Step Functions #X Amz Target=AWSStepFunctions.StartSyncExecution API
The #X Amz Target=AWSStepFunctions.StartSyncExecution API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.startsyncexecution.
Amazon Step Functions #X Amz Target=AWSStepFunctions.StopExecution API
The #X Amz Target=AWSStepFunctions.StopExecution API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.stopexecution.
Amazon Step Functions #X Amz Target=AWSStepFunctions.TagResource API
The #X Amz Target=AWSStepFunctions.TagResource API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.tagresource.
Amazon Step Functions #X Amz Target=AWSStepFunctions.UntagResource API
The #X Amz Target=AWSStepFunctions.UntagResource API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.untagresource.
Amazon Step Functions #X Amz Target=AWSStepFunctions.UpdateMapRun API
The #X Amz Target=AWSStepFunctions.UpdateMapRun API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.updatemaprun.
Amazon Step Functions #X Amz Target=AWSStepFunctions.UpdateStateMachine API
The #X Amz Target=AWSStepFunctions.UpdateStateMachine API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.updatestatemachine.
Amazon Step Functions #X Amz Target=AWSStepFunctions.UpdateStateMachineAlias API
The #X Amz Target=AWSStepFunctions.UpdateStateMachineAlias API from Amazon Step Functions — 1 operation(s) for #x amz target=awsstepfunctions.updatestatemachinealias.
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Postman Collections 37
Ready-to-run Postman collections for exercising this provider's APIs.
Amazon Step Functions Executions #X Amz Target=AWSStepFunctions.DeleteStateMachineVersion API
POSTMANAmazon Step Functions Executions #X Amz Target=AWSStepFunctions.DescribeStateMachineAlias API
POSTMANAmazon Step Functions Executions #X Amz Target=AWSStepFunctions.DescribeStateMachineForExecution API
POSTMANScroll for all 37
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Amazon Step Functions API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Amazon Step Functions Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Features 5
Notable capabilities this provider offers.
Visual Workflow
Design and visualize workflows using Amazon States Language (ASL).
Serverless Orchestration
Orchestrate Lambda, ECS, Fargate, SNS, SQS, and 220+ AWS services.
Error Handling
Built-in retry and catch capabilities for fault-tolerant workflows.
Express Workflows
High-throughput workflows for event processing at scale.
Standard Workflows
Long-running durable workflows with exactly-once execution.
Semantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
Amazon Step Functions API Rules
SPECTRALAmazon Step Functions API Rules
SPECTRALJSON Schema 126
Standalone JSON Schema definitions for this provider's data models.
ActivityFailedEventDetails
JSON SCHEMAActivityListItem
JSON SCHEMAActivityScheduleFailedEventDetails
JSON SCHEMAActivityScheduledEventDetails
JSON SCHEMAActivityStartedEventDetails
JSON SCHEMAActivitySucceededEventDetails
JSON SCHEMAActivityTimedOutEventDetails
JSON SCHEMABillingDetails
JSON SCHEMACloudWatchEventsExecutionDataDetails
JSON SCHEMACloudWatchLogsLogGroup
JSON SCHEMACreateActivityInput
JSON SCHEMACreateActivityOutput
JSON SCHEMACreateStateMachineAliasInput
JSON SCHEMACreateStateMachineAliasOutput
JSON SCHEMACreateStateMachineInput
JSON SCHEMACreateStateMachineOutput
JSON SCHEMADeleteActivityInput
JSON SCHEMADeleteActivityOutput
JSON SCHEMADeleteStateMachineAliasInput
JSON SCHEMADeleteStateMachineAliasOutput
JSON SCHEMADeleteStateMachineInput
JSON SCHEMADeleteStateMachineOutput
JSON SCHEMADeleteStateMachineVersionInput
JSON SCHEMADeleteStateMachineVersionOutput
JSON SCHEMADescribeActivityInput
JSON SCHEMADescribeActivityOutput
JSON SCHEMADescribeExecutionInput
JSON SCHEMADescribeExecutionOutput
JSON SCHEMADescribeMapRunInput
JSON SCHEMADescribeMapRunOutput
JSON SCHEMADescribeStateMachineAliasInput
JSON SCHEMADescribeStateMachineAliasOutput
JSON SCHEMADescribeStateMachineForExecutionInput
JSON SCHEMADescribeStateMachineForExecutionOutput
JSON SCHEMADescribeStateMachineInput
JSON SCHEMADescribeStateMachineOutput
JSON SCHEMAExecutionAbortedEventDetails
JSON SCHEMAExecutionFailedEventDetails
JSON SCHEMAExecutionListItem
JSON SCHEMAExecutionStartedEventDetails
JSON SCHEMAExecutionStatus
JSON SCHEMAExecutionSucceededEventDetails
JSON SCHEMAExecutionTimedOutEventDetails
JSON SCHEMAGetActivityTaskInput
JSON SCHEMAGetActivityTaskOutput
JSON SCHEMAGetExecutionHistoryInput
JSON SCHEMAGetExecutionHistoryOutput
JSON SCHEMAHistoryEventExecutionDataDetails
JSON SCHEMAHistoryEvent
JSON SCHEMAHistoryEventType
JSON SCHEMALambdaFunctionFailedEventDetails
JSON SCHEMALambdaFunctionScheduleFailedEventDetails
JSON SCHEMALambdaFunctionScheduledEventDetails
JSON SCHEMALambdaFunctionStartFailedEventDetails
JSON SCHEMALambdaFunctionSucceededEventDetails
JSON SCHEMALambdaFunctionTimedOutEventDetails
JSON SCHEMAListActivitiesInput
JSON SCHEMAListActivitiesOutput
JSON SCHEMAListExecutionsInput
JSON SCHEMAListExecutionsOutput
JSON SCHEMAListMapRunsInput
JSON SCHEMAListMapRunsOutput
JSON SCHEMAListStateMachineAliasesInput
JSON SCHEMAListStateMachineAliasesOutput
JSON SCHEMAListStateMachineVersionsInput
JSON SCHEMAListStateMachineVersionsOutput
JSON SCHEMAListStateMachinesInput
JSON SCHEMAListStateMachinesOutput
JSON SCHEMAListTagsForResourceInput
JSON SCHEMAListTagsForResourceOutput
JSON SCHEMALogDestination
JSON SCHEMALogLevel
JSON SCHEMALoggingConfiguration
JSON SCHEMAMapIterationEventDetails
JSON SCHEMAMapRunExecutionCounts
JSON SCHEMAMapRunFailedEventDetails
JSON SCHEMAMapRunItemCounts
JSON SCHEMAMapRunListItem
JSON SCHEMAMapRunStartedEventDetails
JSON SCHEMAMapRunStatus
JSON SCHEMAMapStateStartedEventDetails
JSON SCHEMAPublishStateMachineVersionInput
JSON SCHEMAPublishStateMachineVersionOutput
JSON SCHEMARoutingConfigurationListItem
JSON SCHEMASendTaskFailureInput
JSON SCHEMASendTaskFailureOutput
JSON SCHEMASendTaskHeartbeatInput
JSON SCHEMASendTaskHeartbeatOutput
JSON SCHEMASendTaskSuccessInput
JSON SCHEMASendTaskSuccessOutput
JSON SCHEMAStartExecutionInput
JSON SCHEMAStartExecutionOutput
JSON SCHEMAStartSyncExecutionInput
JSON SCHEMAStartSyncExecutionOutput
JSON SCHEMAStateEnteredEventDetails
JSON SCHEMAStateExitedEventDetails
JSON SCHEMAStateMachineAliasListItem
JSON SCHEMAStateMachineListItem
JSON SCHEMAAmazon Step Functions State Machine
JSON SCHEMAStateMachineStatus
JSON SCHEMAStateMachineType
JSON SCHEMAStateMachineVersionListItem
JSON SCHEMAStopExecutionInput
JSON SCHEMAStopExecutionOutput
JSON SCHEMASyncExecutionStatus
JSON SCHEMATagResourceInput
JSON SCHEMATagResourceOutput
JSON SCHEMATag
JSON SCHEMATaskCredentials
JSON SCHEMATaskFailedEventDetails
JSON SCHEMATaskScheduledEventDetails
JSON SCHEMATaskStartFailedEventDetails
JSON SCHEMATaskStartedEventDetails
JSON SCHEMATaskSubmitFailedEventDetails
JSON SCHEMATaskSubmittedEventDetails
JSON SCHEMATaskSucceededEventDetails
JSON SCHEMATaskTimedOutEventDetails
JSON SCHEMATracingConfiguration
JSON SCHEMAUntagResourceInput
JSON SCHEMAUntagResourceOutput
JSON SCHEMAUpdateMapRunInput
JSON SCHEMAUpdateMapRunOutput
JSON SCHEMAUpdateStateMachineAliasInput
JSON SCHEMAUpdateStateMachineAliasOutput
JSON SCHEMAUpdateStateMachineInput
JSON SCHEMAUpdateStateMachineOutput
JSON SCHEMAScroll for all 126
JSON Structure 125
JSON Structure definitions describing this provider's data shapes.
Amazon Step Functions Activity List Item Structure
JSON STRUCTUREAmazon Step Functions Billing Details Structure
JSON STRUCTUREAmazon Step Functions Create Activity Input Structure
JSON STRUCTUREAmazon Step Functions Create Activity Output Structure
JSON STRUCTUREAmazon Step Functions Delete Activity Input Structure
JSON STRUCTUREAmazon Step Functions Delete Activity Output Structure
JSON STRUCTUREAmazon Step Functions Describe Activity Input Structure
JSON STRUCTUREAmazon Step Functions Describe Activity Output Structure
JSON STRUCTUREAmazon Step Functions Describe Execution Input Structure
JSON STRUCTUREAmazon Step Functions Describe Map Run Input Structure
JSON STRUCTUREAmazon Step Functions Describe Map Run Output Structure
JSON STRUCTUREAmazon Step Functions Execution List Item Structure
JSON STRUCTUREAmazon Step Functions Execution Status Structure
JSON STRUCTUREAmazon Step Functions Get Activity Task Input Structure
JSON STRUCTUREAmazon Step Functions Get Activity Task Output Structure
JSON STRUCTUREAmazon Step Functions History Event Structure
JSON STRUCTUREAmazon Step Functions History Event Type Structure
JSON STRUCTUREAmazon Step Functions List Activities Input Structure
JSON STRUCTUREAmazon Step Functions List Activities Output Structure
JSON STRUCTUREAmazon Step Functions List Executions Input Structure
JSON STRUCTUREAmazon Step Functions List Executions Output Structure
JSON STRUCTUREAmazon Step Functions List Map Runs Input Structure
JSON STRUCTUREAmazon Step Functions List Map Runs Output Structure
JSON STRUCTUREAmazon Step Functions Log Destination Structure
JSON STRUCTUREAmazon Step Functions Log Level Structure
JSON STRUCTUREAmazon Step Functions Logging Configuration Structure
JSON STRUCTUREAmazon Step Functions Map Run Execution Counts Structure
JSON STRUCTUREAmazon Step Functions Map Run Item Counts Structure
JSON STRUCTUREAmazon Step Functions Map Run List Item Structure
JSON STRUCTUREAmazon Step Functions Map Run Status Structure
JSON STRUCTUREAmazon Step Functions Send Task Failure Input Structure
JSON STRUCTUREAmazon Step Functions Send Task Failure Output Structure
JSON STRUCTUREAmazon Step Functions Send Task Success Input Structure
JSON STRUCTUREAmazon Step Functions Send Task Success Output Structure
JSON STRUCTUREAmazon Step Functions Start Execution Input Structure
JSON STRUCTUREAmazon Step Functions Start Execution Output Structure
JSON STRUCTUREAmazon Step Functions State Machine List Item Structure
JSON STRUCTUREAmazon Step Functions State Machine Status Structure
JSON STRUCTUREAmazon Step Functions State Machine Type Structure
JSON STRUCTUREAmazon Step Functions Stop Execution Input Structure
JSON STRUCTUREAmazon Step Functions Stop Execution Output Structure
JSON STRUCTUREAmazon Step Functions Sync Execution Status Structure
JSON STRUCTUREAmazon Step Functions Tag Resource Input Structure
JSON STRUCTUREAmazon Step Functions Tag Resource Output Structure
JSON STRUCTUREAmazon Step Functions Tag Structure
JSON STRUCTUREAmazon Step Functions Task Credentials Structure
JSON STRUCTUREAmazon Step Functions Tracing Configuration Structure
JSON STRUCTUREAmazon Step Functions Untag Resource Input Structure
JSON STRUCTUREAmazon Step Functions Untag Resource Output Structure
JSON STRUCTUREAmazon Step Functions Update Map Run Input Structure
JSON STRUCTUREAmazon Step Functions Update Map Run Output Structure
JSON STRUCTUREScroll for all 125
Examples 119
Example request and response payloads for these APIs.
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Security Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 4
What developers build with this provider.
Microservice Orchestration
Coordinate multiple microservices into cohesive workflows.
Data Processing Pipelines
Build ETL and data transformation pipelines with automatic retries.
IT Automation
Automate IT and business processes with visual workflow design.
ML Model Training Pipelines
Orchestrate SageMaker model training, evaluation, and deployment.
Resources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API