Sfax
Sfax scores 55/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; usage-based / per-token pricing is published.
Sfax pricing
Standard
$29/mo
flatPlus
$49/mo
flatContender
$99/mo
flatEnterprise
Contact sales
How Sfax scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
15 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
13 / 20
Free entry path
0 / 7
No sales call required
7 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
55 / 100
What it actually costs at typical scale
Standard plan, monthly billing
$29/mo
Can an autonomous agent transact here?
Can create account
Can enter payment method
Can upgrade plan
Can buy more usage
Can cancel online
Unknown
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
Unknown
Purchase orders supported
Unknown
MSA required
Unknown
DPA available
Unknown
Security review required
Unknown
Trial
14 days
Trust & compliance
Certifications
SSO / SAML
Unknown
RBAC
Unknown
Audit logs
Unknown
Positioning & ecosystem
“Cloud faxing that works.”
Buyer persona
Six-step check: can an agent actually buy from Sfax?
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.
- Every advertised tier is self-serve; no tier requires scheduling a call.
- 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.
- 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 Sfax 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 | at $29.00. Offers Custom plan. |
| tier_count | 3 |
| lowest_paid_entry_usd | 29 |
| free_tier | true |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | false |
| self_serve_paid_tiers | 1 |
| sales_only_tiers | 0 |
| public_api_docs_url | null |
| api_docs_auth_walled | null |
| ai_pricing_json_present | false |
| agents_txt_present | false |
| anonymous_purchase_path | 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} |
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See agent-ready picksSfax
55
/ 100 (rubric v2.0)Fax
at $29.00. Offers Custom plan.
3
Yes
$29/mo
1 / 0
Auth-walled
No
Not published
2026-05-10
Tier-based subscription
Sfax pricing starts at $29/mo for the Standard plan; paid plans up to $99/mo. Billed monthly or annually.
Standard plan ($29)
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 Sfax with peers
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69
PamFax
69
eFax
63
FAX.PLUS
62
iFax
62
CocoFax
62
FaxSalad
62
Fax Rocket
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.