This is an info Alert.
x402 Logo
  • Product
    • Become Agent-Ready
      • Merchants
        Agentic Commerce — list your store across ChatGPT, Gemini, Claude & Perplexity
      • Publishers
        Monetize your content when AI agents read, cite, or train on it
      • SaaS Companies
        Treat AI agents as first-class customers with agent-priced checkout
    • Monetize
      • Monetize MCP Server
        Charge per call on any MCP server in 2 minutes
      • Monetize AI Agents
        Turn n8n, Zapier, Activepieces workflows into revenue
      • Agent Feed
        Pay-per-query access to licensed publisher content for your agents
  • Resources
    • xpay Ecosystem
      • xpay✦ Tools
        1,000+ pay-per-use tools for your AI agents
      • Agent-Ready SaaS Index
        25,481 SaaS scored on agent-buyability
      • SaaS Pricing Database
        Pricing pages indexed across 1,000+ categories
      • GitHub
        Open source repositories
    • Agent Building
      • Agent Frameworks
        AI frameworks for building multi-agent systems
      • x402 Integration
        AI frameworks with x402 payment integration
      • Networks
        Blockchain networks supporting x402
    • Company
      • About xpay✦
        Our mission, products, and protocols
      • Blog
        Latest insights and updates
      • Docs
        Complete xpay documentation
  • Pricing
  • Blog
  • Docs
Get Started
  1. Home

  2. /
  3. Agent-Ready SaaS Index

  4. /
  5. Email Testing

  6. /
  7. Mailtrap

Mailtrap logo

Mailtrap

Agent-Ready Verified
Agent-Ready SaaS Index · mailtrap.io · scored 2026-05-09 · rubric v2.0
Score 94 / 100
Email Testing
Free tier
Self-serve checkout

Mailtrap scores 94/100 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.

See Mailtrap pricing summaryLive pricing page
Pricing
Mailtrap pricing
As of 2026-05-09 · mailtrap.io/pricing
Free
Free
1 user
3 days email logs
1 domain
150 emails/day
Basic
$15/mo
flat
3 users
5 days email logs
5 domains
10,000 emails/month
Business
$85/mo
flat
1,000 users
15 days email logs
3,000 domains
100,000 emails/month
Enterprise
Sales
$750/mo
flat
1,000 users
30 days email logs
Dedicated IP
1,500,000 emails/month
Invoice-based billing
Score breakdown · rubric v2.0
How Mailtrap scores on the agent-ready dimensions

Public pricing visibility

15 / 15

Self-serve checkout

15 / 15

Public API + docs

20 / 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)

5 / 10


Total
94 / 100
Effective pricing
What it actually costs at typical scale
10,000 emails/month, 3 users
$15/mo
· Uses Basic plan· No overage
Confidence: high
Agent purchase verdict
Can an autonomous agent transact here?
Agent-ready
LLM score: 100/100

Can create account

Yes

Can enter payment method

Yes

Can upgrade plan

Yes

Can buy more usage

Yes

Can cancel online

Yes


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

Yes

Purchase orders supported

Yes

MSA required

Yes

DPA available

Yes

Security review required

Unknown


Trial

Available, no card

API readiness
API & developer surface

API-first product

Yes

Sandbox present

Yes

Webhooks

Yes

MCP mentioned

Yes

Competitive intel
Positioning & ecosystem
Headline

“transparent and flexible plans”

Buyer persona

developer
smb
enterprise

Replaces / compared against
SendGrid
Mailgun
Amazon SES
Postmark
Brevo
Integrations mentioned
Supabase
Vercel
Claude
Python SDK
PHP SDK
Ruby SDK
NodeJS SDK
Agent purchase simulation
Six-step check: can an agent actually buy from Mailtrap?
✓

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.
  • A free tier exists, lowering the bar for an agent builder to prototype before committing budget.
◐ 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.
  • 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.
One-line fix
How Mailtrap 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 — We’ve developed transparent and flexible plans to cover the needs of your business.

tier_count

6

lowest_paid_entry_usd

0

free_tier

true

free_tier_terms

null

per_unit_price

null

annual_required

true

self_serve_paid_tiers

5

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

per_unit_classification

null

usage_headline_present

false

custom_tier_present

true

agent_friendly

{"ai_pricing_json":false,"agents_txt":false,"llms_txt":true,"sitemap_xml":true,"mcp_server_card":false,"agent_skills_index":false,"x402_supported":false}

View raw extracted page text →
Page heading: Pricing
CTAs (40): Skip to Navigation · Product · Email API/SMTPRESTful API and SMTP for reliable email sending · Email SandboxInspect and debug emails in staging, dev & QA environments · Email MarketingCreate, schedule, and send email marketing campaigns · Email API · SMTP Service · Bulk Stream · Actionable Analytics · Sending API Docs · Fake SMTP · HTML Checker
Price tokens (50): $0 · $0 /month · $15 · $15 /month · $20 · $20 /month · $30 · $30 /month · $85 · $85 /month · $200 · $200 /month
Skip to Navigation Main navigation Product Email tools menu Email API/SMTPRESTful API and SMTP for reliable email sending Email tools menu Email SandboxInspect and debug emails in staging, dev & QA environments Email tools menu Email MarketingCreate, schedule, and send email marketing campaigns Features Email APISMTP ServiceBulk StreamActionable AnalyticsSending API Docs Features Fake SMTPHTML CheckerSpam CheckerQA AutomationSandbox API Docs Features Email TemplatesEmail Template BuilderAutomationsContacts & SegmentationCampaign SchedulingEmail Analytics Free tools DMARC Record CheckerDKIM Record CheckerSPF Record CheckerDomain Blocklist CheckerIP Blocklist CheckerExpert helpMigration SupportOnboarding AssistanceDeliverability Consulting INTEGRATIONS View all Supabase Vercel Claude Antigravity Cursor SDKs View all Python PHP Ruby NodeJS Java Pricing Pricing sublist Email API/SMTPSend transactional & promo emails Email SandboxTest your emails Email for AI Guides ClaudeCursorOpenClawMCP ServerAntigravityWindsurf Links AI AgentsTools for AI agents to send emails. MCP ServerConnect AI agents via MCP. SkillsBuilt-in email capabilities for AI agents. Resources Solutions SaaSFinTechSMBsTravel & HospitalityEdTech Migration support from SendGridfrom Mailgunfrom Intuit Mailchimpfrom Amazon SESfrom Postmarkfrom Brevo For developers Sending APISandbox APIEmail Templates APISDKsFor partnersPartnership programsAffiliate programFor agencies Learn Help centerHow to’s and kowledge baseBlogThe…
You work at Mailtrap?
Claim this scorecard & lift your score.

Get the breakdown of every signal we measured, the one-line fix, and how your peers in Email Testing stack up.

Evaluating Mailtrap?
Compare the agent-ready picks in Email Testing.

If you're building or running an AI agent that needs to buy from this category, see who's scoring highest right now.

See agent-ready picks
Are you Mailtrap? Something off in this listing?
Agent-Ready Spec
Mailtrap
Agent-Ready Verified

94

/ 100 (rubric v2.0)

Category

Email Testing

Pricing model

Pricing — We’ve developed transparent and flexible plans to cover the needs of your business.

Tier count

6

Free tier

Yes

Lowest paid entry

Free

Self-serve / sales-only tiers

5 / 0


Public API docs

Auth-walled

Anonymous purchase path

No

Machine-readable pricing

Not published


Last refreshed

2026-05-09

Pricing intelligenceInsights extracted from mailtrap.io/pricing
Pricing model

Tier-based subscription

Agent-purchase verdict
Agent-ready
100/100 · v2.1
Canonical answer

Mailtrap pricing starts at $0/mo for the Free plan; paid plans up to $750/mo. Billed monthly.

Cheapest entry

Free plan (Free)

Actions
Open live pricing page
Verdict reflects Agent-Ready Verified status under rubric v2.0. Source observed at https://mailtrap.io/pricing.
Agent-friendly features2 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

More in Email Testing
Compare Mailtrap with peers
Highest-scoring companies in the same category that an AI agent might evaluate as an alternative.
Resend
87
resend.com
Agent-Ready Verified
VitaMail
85
vitamail.vitanur.com
Agent-Ready Verified
Mailosaur
82
mailosaur.com
Agent-Ready Verified
MailSlurp
80
mailslurp.com
Agent-Ready Verified
GetTestMail
80
gettestmail.com
Agent-Ready Verified
Zyntra
78
zyntra.app
Agent-Ready Verified
GlockApps
69
glockapps.com
Approaching Agent-Ready
EmailPreviewServices
62
emailpreviewservices.com
Approaching Agent-Ready
Browse all Email Testing →

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.

Browse by agent-readiness band
Agent-Ready Verified(448)Approaching Agent-Ready(2,513)Partially Agent-Ready(6,407)Not Agent-Ready Yet(16,112)See full index
Browse by category
CRM(500)Content Creation(414)Chatbots(407)AI Writing Assistant(394)Social Media Management(381)Website Builder(343)Seo(317)Project Management(288)Scheduling(270)Survey User Feedback(265)Email Marketing(252)Hr(237)All categories
Available pay-per-run on xpay.tools
FirecrawlExaTavilyApolloHunterJina AIBright DataContext7Alpha VantageReplicatePerplexityParallelBrowse all xpay.tools
x402 Logo

The agent-readiness stack for the AI shopping era — helping merchants, publishers and SaaS companies get discovered, cited and transacted with by ChatGPT, Perplexity, Claude, Gemini and the custom shopping agents underneath them.

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
Company
About xpayAgency PartnersGitHubDiscordllms.txt
DevelopersDocumentationAPI ReferenceSDKs & LibrariesQuickstart GuideOpenAPI Spec
Stay Updated
Occasional product updates and agent-readiness playbooks from xpay (Agentically Inc.) — typically a couple of emails a month. Double opt-in: we email you a link to confirm before sending anything, and every email has one-click unsubscribe.
Social
  • For Publishers
    • News
    • Finance
    • Dev / Tech
    • Travel
    • View all verticals
  • Agent Feed
    • AI Search Engines
    • RAG Builders
    • Browser Agents
    • Vertical Research
    • Browse full catalog
  • Agent-Ready Index
    • SaaS Pricing Database
    • Agent-Ready SaaS Index
    • Verified band
    • AI & ML
    • Sales & CRM
  • Products
    • Pricing Widget
    • Monetize MCP Server
    • Paywall
    • Smart Proxy
    • Monetize AI Agents
    • xpay x402 Facilitator
  • Agentic Economy
    • Timeline
    • Resources
    • Manifesto
    • Stack
  • Agentic Commerce
    • Get listed
    • xpay Listings · Amazon + Google
    • Pricing
    • Free audit
    • Shopify
    • WooCommerce
    • Apparel & Accessories
    • Health & Beauty
    • Overview
  • Commerce Index
    • Agentic Commerce Ready Index
    • Methodology
    • Pet brands · WooCommerce
    • Pet brands · Shopify
  • Marketplace
    • 🛍️ xpay.deals — agentic storefront for deals
  • Protocols
    • Overview
    • x402
    • MPP
    • UCP
    • ACP
    • AP2
    • TAP
    • A2A
  • Agent Frameworks
    • Overview
    • LangChain
    • CrewAI
    • Claude MCP
    • AutoGPT
    • LangChain vs Mastra
    • LangGraph vs Pydantic AI
  • Company
    • About xpay
    • Blog
    • Docs
    • GitHub

© 2025 Agentically Inc. All rights reserved.
Privacy PolicyTerms of UseAcceptable Use Policy