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. SaaS Pricing

  4. /

  5. Email on Acid

Email on Acid logo

Email on Acid Pricing

emailonacid.com · Email Testing · refreshed 2026-05-06
Email Testing
Self-serve checkout
4 tiers
Public API
Quick answer

Email on Acid / Mailgun Inspect pricing starts at $99/monthly for the Basic plan. 3 tiers total including a free tier.

Page fetched 2026-05-09 · emailonacid.com · Tier-based subscription
Email on Acid pricing page screenshot — https://www.emailonacid.com/pricing/
Source · live pricing page on 2026-05-06

www.emailonacid.com/pricing/

Open
Pricing
Email on Acid / Mailgun Inspect pricing
As of 2026-05-09 · www.emailonacid.com/pricing/
Basic
$99/mo
Unlimited users
1,000 email previews per month
100+ email preview clients & devices
API access
$0.15 per preview overage
Premium
$199/mo
Unlimited users
2,000 previews per month
100+ email preview clients & devices
API access
Accessibility tests
Contract
Sales
Contact sales
Unlimited users
Custom previews allotment
100+ email preview clients & devices
API access
Accessibility tests
Cost calculator
See your real cost on each plan

Adjust seats to compare Email on Acid / Mailgun Inspect plans side-by-side and check the annual break-even.

Basic
$99.00/mo
$99.00/mo
Premium
$199/mo
$199/mo
Open live pricing pageSee agent-readiness analysis
Frequently asked
Email on Acid pricing FAQ

Yes — Email on Acid publishes a free tier. Free trial available for Basic and Premium plans.

In the Email Testing category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Email on Acid to compare with 3 nearest peers.

Alternatives in Email Testing
Top Email on Acid alternatives by pricing transparency
Mailtrap pricing
mailtrap.io
Resend pricing
resend.com
VitaMail pricing
vitamail.vitanur.com
Mailosaur pricing
mailosaur.com
MailSlurp pricing
mailslurp.com
GetTestMail pricing
gettestmail.com
Zyntra pricing
zyntra.app
GlockApps pricing
glockapps.com
Browse all Email Testing alternatives →
AI agent readiness
Can an AI agent buy from Email on Acid?
Not Agent-Ready Yet

30

/ 100 in xpay's Agent-Ready SaaS Index

Email on Acid / Mailgun Inspect scores 30/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance.

See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Email on Acid into the Agent-Ready Verified band.
Quick facts
At a glance
Free access

Free trial available for Basic and Premium plans

Billing cycle

Monthly

Lowest paid

$99/monthly

Self-serve checkout

2 tiers

Tier count

3

Pricing model

Tier-based subscription

More Email Testing alternatives
Most agent-ready

EmailPreviewServices

emailpreviewservices.com
62

Mailnest

mailnest.io
53

Imitate Email

imitate.email
46

MailSnag

mailsnag.com
44

Inbox Pirates

inboxpirates.com
42
Email on Acid pricing summary derived from a live read of https://www.emailonacid.com/pricing/ on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Email on Acid.

Explore SaaS pricing across categories

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 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