# AWS Step Functions

**Canonical:** https://apis.io/providers/step-functions/  
**Website:** https://aws.amazon.com/step-functions/  
**APIs profiled:** 1

AWS Step Functions is a serverless orchestration service that enables developers to compose distributed applications and APIs using visual workflows called state machines. It supports Standard and Express workflows, activities, parallel execution, error handling, and integrates with over 200 AWS services. Step Functions uses the Amazon States Language (ASL) for defining workflow logic as JSON-based state machine definitions.

## Kin Score — 38.2 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.2).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 65.0 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 28.6 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (1)

- **AWS Step Functions State Machines API** — Create, describe, update, delete, and list state machines

## Agentic access (1)

- **Step Functions Agentic Access** — 1 operation · 1 acting

## Security (4)

- **Step Functions Authentication** — apiKey · 1 scheme
- **Step Functions Domain Security** — TLSv1.3 · HSTS · DMARC
- **Step Functions Vulnerability Disclosure** — security.txt · contact published
- **Step Functions Trust Center** — PCI DSS, HIPAA, FedRAMP, GDPR, FIPS 140

## Plans (1)

- **Step Functions Plans Pricing**

## Tags

API Composition, Serverless Orchestration, Workflows, State Machine, Automation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/step-functions/). Scores are computed from the provider's own public artifacts under a published rubric.