AWS Step Functions
AWS Step Functions scores 85/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a public API exists with documentation; usage-based / per-token pricing is published; a free entry path exists.
AWS Step Functions pricing
Sign up, get an API key, pay per call
Self-serve checkout with public pricing — an autonomous agent can complete the purchase without a sales call.
3 SKUs priced in mixed units (state_transition, request, GB-second)
| Model / SKU | Input | Output |
|---|---|---|
Standard Workflows | $0.000025 / state_transition | — |
Express Workflows Requests | $1 / 1M request | — |
Express Workflows Duration | $0.00001667 / GB-second | — |
How AWS Step Functions scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
15 / 15
Public API + docs
16 / 20
Usage-based / metered pricing
20 / 20
Free entry path
7 / 7
No sales call required
7 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
85 / 100
What it actually costs at typical scale
100,000 Standard workflow executions (4 transitions each)
$9.9/mo
1 million Express workflow executions, avg 30 s duration
$32.26/mo
Can an autonomous agent transact here?
Can create account
Can enter payment method
Can upgrade plan
Can buy more usage
Can cancel online
Payment methods
Human approval recommended
Pricing transparency
full
Purchase motion
self_serve
Demo required
Quote required
Annual commit required
Unknown
Auto-renewal mentioned
Cancellation policy visible
Refund policy visible
Invoice payment available
Purchase orders supported
MSA required
Unknown
DPA available
Security review required
Unknown
Trial
Available, no card
API & developer surface
API-first product
Public API docs
Sandbox present
Webhooks
MCP mentioned
Trust & compliance
SSO / SAML
RBAC
Audit logs
Positioning & ecosystem
Buyer persona
Six-step check: can an agent actually buy from AWS Step Functions?
Discover price
Select a plan
Pay per task
Avoid a sales call
API docs without auth
Estimate cost upfront
Pros and cons for AI agents
Observational summary written by xpay from the signals captured on 2026-05-06. Not a review of the product — only of its current pricing posture for agent buyers.- Pricing is publicly visible on an indexable page — agents can read tiers without scraping past auth.
- A free tier exists, lowering the bar for an agent builder to prototype before committing budget.
- No per-unit price was advertised, so an agent has no way to estimate the cost of a single task.
- All advertised tiers route to a sales contact form; an agent cannot complete a purchase autonomously.
- API documentation is gated or absent; an agent cannot inspect the integration surface without authentication.
- PPU requires account creation and an issued API key; a fully unauthenticated agent purchase is not yet supported.
- No /.well-known/ai-pricing.json or equivalent machine-readable pricing manifest is published — agents must rely on HTML scraping.
How AWS Step Functions could lift its score
Add a per-unit price (e.g. $X / 1K calls) to the pricing page so an agent can compute its own cost before committing.
| pricing_visible | true |
| headline_phrasing | AWS Step Functions Pricing — You are charged based on the number of state transitions required to execute your application. |
| tier_count | 2 |
| lowest_paid_entry_usd | null |
| free_tier | true |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | false |
| self_serve_paid_tiers | 2 |
| sales_only_tiers | 0 |
| public_api_docs_url | https://builder.aws.com/ |
| api_docs_auth_walled | false |
| ai_pricing_json_present | false |
| agents_txt_present | false |
| anonymous_purchase_path | false |
| per_unit_classification | {"unit_class":"data_volume","confidence":"rejected","agent_task_price_forecastable":"no","rejected_reason":"reject-context word found within ±200 chars (seat/period/credit/etc.)","evidence_text":"$0.00001667 per GB"} |
| usage_headline_present | true |
| custom_tier_present | false |
| agent_friendly | {"ai_pricing_json":false,"agents_txt":false,"llms_txt":false,"sitemap_xml":false,"mcp_server_card":false,"agent_skills_index":false,"x402_supported":false} |
View raw extracted page text →
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See agent-ready picksAWS Step Functions
85
/ 100 (rubric v2.0)Low Code Development Platforms Lcdp
Not advertised
2
Yes
Sales-led
2 / 0
Public
No
Not published
2026-05-09
Pay-as-you-go API
AWS Step Functions pricing starts at $0.000025 per state transition for Standard Workflows; free tier of 4,000 transitions per month; Express Workflows cost $1.00 per million requests plus $0.00001667 per GB-second of duration. Billed monthly.
Free tier (Free)
Discovery files and protocols
Side-channel signals — informational, not part of the score. Each protocol is independent; adoption signals the publisher is thinking about agent buyers.ai-pricing.json
agents.txt
llms.txt
sitemap.xml
MCP Server Card
Agent Skills
x402 / MPP
Compare AWS Step Functions with peers
Highest-scoring companies in the same category that an AI agent might evaluate as an alternative.DronaHQ
87
BuildShip
69
Aware IM
68
PROCESIO
68
DOCOVA
67
TeamDesk
66
Canonic
65
LiveCode
62
Explore the Agent-Ready SaaS Index
25,480+ SaaS scored on agent-buyability — browse by readiness band, category, or jump straight to a pay-per-run tool on xpay.tools.