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  7. SendFox

SendFox logo

SendFox

Partially Agent-Ready
Agent-Ready SaaS Index · sendfox.com · scored 2026-05-09 · rubric v2.0
Score 49 / 100
Email Marketing
Public API

SendFox scores 49/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a free entry path exists.

See SendFox pricing summaryLive pricing page
Pricing
SendFox pricing
As of 2026-05-09 · sendfox.com/pricing
Free
Free
forever
3,000 sends per month
1,000 contacts
SendFox branding
Normal paid newsletters
Smart campaigns
Lifetime Plan
Contact sales
Unlimited sends
5,000 contacts
Reduced branding
API access
AI Agent Ready
Empire Add-On
$18/mo
flat
Whitelabel emails from a VIP IP
Dedicated sending address
Optional double opt‑in
Score breakdown · rubric v2.0
How SendFox 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

0 / 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
49 / 100
Effective pricing
What it actually costs at typical scale
Free plan usage
$0/mo
· No paid features used· Within free limits
Confidence: high
Empire Add‑On subscription
$18/mo
· Add‑On purchased, no other paid tier· Monthly billing
Confidence: high
Agent purchase verdict
Can an autonomous agent transact here?
Human-assisted
LLM score: 55/100

Can create account

Yes

Can enter payment method

Yes

Can upgrade plan

Yes

Can buy more usage

Yes

Can cancel online

Unknown

Payment methods

card

Human approval recommended

No

Pricing transparency

full

Purchase motion

self_serve

Demo required

No

Quote required

No

Annual commit required

No

Auto-renewal mentioned

No

Cancellation policy visible

No

Refund policy visible

No

Invoice payment available

No

Purchase orders supported

No

MSA required

No

DPA available

No

Security review required

No

Competitive intel
Positioning & ecosystem

Buyer persona

smb

Agent purchase simulation
Six-step check: can an agent actually buy from SendFox?
✓

Discover price

✓

Select a plan

✗

Pay per task

✓

Avoid a sales call

◐

API docs without auth

✗

Estimate cost upfront

Analysis
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.
✓ For an AI agent
  • 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.
◐ Opportunities for the provider
  • 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.
  • No /.well-known/ai-pricing.json or equivalent machine-readable pricing manifest is published — agents must rely on HTML scraping.
One-line fix
How SendFox 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

Pricing — Choose the plan that's right for you:

tier_count

2

lowest_paid_entry_usd

18

free_tier

false

free_tier_terms

null

per_unit_price

null

annual_required

false

self_serve_paid_tiers

0

sales_only_tiers

0

public_api_docs_url

https://sendfox.com/developers

api_docs_auth_walled

false

ai_pricing_json_present

false

agents_txt_present

false

anonymous_purchase_path

false

per_unit_classification

null

usage_headline_present

false

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 →
Page heading: Pricing
CTAs (10): Register · Login · Get started! · Buy Now on AppSumo! · Share an idea or vote on what we build next. · Get faster answers. · AppSumo · What's New · Terms of Service · Privacy Policy
Price tokens (3): $480 · $ 49 · $ 18 /month
Discover new apps: Manage your calendar and bookings with ease Send and organize e-sign documents and invoices Create high-converting forms in minutes Register Login Pricing Choose the plan that's right for you: Sends Per Month ? Max Contacts ? SendFox Branding ? Paid Newsletters ? Scheduled Campaigns ? Smart Campaigns ? Referral Widget ? Translation/Localization ? Customer Support ? API ? AI Agent Ready ? Smart Page Gallery Access ? Automations ? Confirmation Redirect ? Smart Pages ? Forms ? Contact Lists ? Sending Server/Deliverability ? Double Opt-In ? HTML Editor ? 🥳 Free Sends Per Month ? 3,000 Max Contacts ? 1,000 SendFox Branding ? Normal Paid Newsletters ? No Scheduled Campaigns ? Yes Smart Campaigns ? Yes Referral Widget ? Yes Translation/Localization ? Yes Customer Support ? Yes API ? No AI Agent Ready ? No Smart Page Gallery Access ? No Automations ? No Confirmation Redirect ? No Smart Pages ? One Forms ? One Contact Lists ? Three Sending Server/Deliverability ? Normal Double Opt-In ? Required HTML Editor ? Basic Free Get started! Recommended! 💘 Lifetime Plan License Tier 1 License Tier 2 License Tier 3 License Tier 4 License Tier 5 Sends Per Month ? Unlimited Max Contacts ? 5,000 SendFox Branding ? Reduced Paid Newsletters ? No Scheduled Campaigns ? Yes Smart Campaigns ? Yes Referral Widget ? Yes Translation/Localization ? Yes Customer Support ? Yes API ? Yes AI Agent Ready ? Yes Smart Page Gallery Access ? Yes Automations ? Unlimited Confirmation Redirect ? No …
You work at SendFox?
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Get the breakdown of every signal we measured, the one-line fix, and how your peers in Email Marketing stack up.

Evaluating SendFox?
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Are you SendFox? Something off in this listing?
Agent-Ready Spec
SendFox
Partially Agent-Ready

49

/ 100 (rubric v2.0)
Category

Email Marketing

Pricing model

Pricing — Choose the plan that's right for you:

Tier count

2

Free tier

No

Lowest paid entry

$18/mo

Self-serve / sales-only tiers

0 / 0

Public API docs

Public

Anonymous purchase path

No

Machine-readable pricing

Not published

Last refreshed

2026-05-09

Pricing intelligenceInsights extracted from sendfox.com/pricing
Pricing model

Tier-based subscription

Agent-purchase verdict
Human-assisted
55/100 · v2.1
Canonical answer

SendFox offers a free plan; a Lifetime plan is sold as a one‑time payment (price not clearly disclosed); an Empire Add‑On costs $18/mo.

Cheapest entry

Free plan (Free)

Actions
Open live pricing page
Verdict reflects Partially Agent-Ready status under rubric v2.0. Source observed at https://sendfox.com/pricing.
Agent-friendly features0 of 7 present
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

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CompanyAgentically Inc. (d/b/a xpay✦)1875 Mission St, Ste 103San Francisco, CA 94103, United Stateslegal@xpay.sh · privacy@xpay.sh
or ask your AI app
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About xpayAgency PartnersGitHubDiscordllms.txt
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