⚡Stack Radar

Email Deliverability Tools · Reviewed 27 Oct 2026

Warmy

AI-powered email warmup and deliverability platform for senders, agencies, and developers.

from $49 · free tier · warmy.io ↗

Paid against free › Email Deliverability Tools › Warmy

Warmy at a glance
156.2KEstimated total trafficModeled monthly visits3.8KRanking keywordsPublic search sample98/100Technical health15 pages checked0Referring domainsLive backlink summary

Overview

01

Summary

The useful answer before the supporting detail.

Warmy is an email deliverability platform that helps senders reach the inbox instead of the spam folder S41. It is used by cold email teams, agencies, and high-volume senders to manage sender reputation and improve inbox placement S126. The platform provides AI-powered warmup, deliverability testing, DMARC monitoring, and API access to automate and scale email deliverability S8 S20.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Warmy is an email deliverability platform S41.
  • Core purpose: It solves the problem of emails landing in spam by building sender reputation S8.
  • Intended users: Cold email teams, agencies, and high-volume senders S126.
  • Product scope: A platform with AI warmup, placement tests, DMARC monitoring, email verification, and an API S8.
  • Positioning: Warmy positions itself as an AI-driven deliverability solution that connects every signal S8.
  • Claimed distinction: Adeline AI makes millions of decisions daily to personalize warmup strategies S11.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Cold email teamsWarm up new mailboxes to improve inbox placement and avoid spam filters S1 S8.
AgenciesManage client mailboxes and deliverability from a centralized dashboard S8 S29.
SaaS platformsEmbed email warmup into onboarding via API S20.
E-commerce marketersClean email lists and verify addresses to improve campaign performance S126.
High-volume sendersMonitor DMARC and sender reputation to maintain deliverability at scale S125.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
AI-powered email warmupAdeline AI creates personalized warmup strategies for each domain and IP, adjusting sending volume, timing, and pace S11.
Deliverability testingPlacement tests show where emails land across providers, helping identify spam folder issues S49.
DMARC monitoringTurns raw DMARC XML reports into a readable dashboard and supports enforcement S8.
Email verificationRuns checks to validate email addresses for bulk list cleaning S126.
API accessREST API allows programmatic mailbox connection, warmup configuration, and reputation monitoring S20.
Agency managementCentral admin console for managing client mailboxes, settings, and billing S29.
AI agent integrationsProvides deliverability data to AI agents via MCP and API for analysis and reporting S32.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
Google PostmasterIntegrationBrings Google reputation and spam-rate signals into the workflow S8.
MCP (Model Context Protocol)AI interfaceConnects AI assistants like AI modeland ChatGPT to Warmy data S41.
REST APIAPIAllows programmatic warmup management and monitoring S20.
OpenAPI 3.0APIProvides a YAML specification for API clients S20.
Email Service ProvidersIntegrationView all integrations for connecting email service providers S1.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
B2B senderFrom $49 per month, volume-based S1Warm-up volume, dedicated expert, 24/7 support S1Placement test credits not published S1
B2C senderFrom $49 per month, volume-based S1Consumer mailbox network, same modules as B2B S1Placement test credits not published S1
CustomContact sales S1Plan designed around volume, providers, and goals S1Not established S1
Free toolsFree S1Various checking tools (SPF, DKIM, etc.) S1Not established S1

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
tiktok.com213christmas email sign offs
reddit.com225template checker, christmas email sign offs
framer.com112template checker
wpthemedetector.com113template checker
gochyu.com114template checker
pinterest.com114christmas email sign offs
github.com115template checker
sitechecker.pro116template checker
exclaimer.com116christmas email sign offs
mail-signatures.com117christmas email sign offs

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

PlatformStatusDiscovered source
Googlediscovered_not_scrapedhttps://chromewebstore.google.com/detail/email-template-checker-wa/oelldnebggajjfacfajacfbkeekeakip?utm_source=item-share-cb
Googlediscovered_not_scrapedhttps://gemini.google.com/app?q=Give%20me%20a%20summary%20of%20Warmy.io
13

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 0.4%
MonthSource
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
otherThe most advanced email deliverability tool with an AI-driven algorithm to make your email channel reliable. Explore Warmy now!https://www.warmy.io/
otherYour domains and IPs are prepared for email outreach campaigns, guaranteeing the highest email deliverability by utilizing state-of-the-art, AI-driven automation processeshttps://www.warmy.io/
other> The platform’s warmup processes make sure that our cold emails don’t bounce into spam filters. It also makes use of AI behavior tracking as we’re sending which is great for campaigns scaling. It’s also really valuable to be able to track open rates and responses.https://www.warmy.io/
other> Warmy's support is fast and helpful. They go above and beyond to assist with any situation. The interface is simple and intuitive. Joining the platform is easy. Also, the AI integration for warmup is revolutionary and saves time.https://www.warmy.io/
featuresIntegrations, AI & team workflowshttps://www.warmy.io/product/
features> The platform’s warmup processes make sure that our cold emails don’t bounce into spam filters. It also makes use of AI behavior tracking as we’re sending which is great for campaigns scaling. It’s also really valuable to be able to track open rates and responses.https://www.warmy.io/product-tour/
features> Warmy's support is fast and helpful. They go above and beyond to assist with any situation. The interface is simple and intuitive. Joining the platform is easy. Also, the AI integration for warmup is revolutionary and saves time.https://www.warmy.io/product-tour/
featuresAdeline is Warmy’s built-in AI email assistant, now live inside every user account. In a nutshell, Adeline AI…https://www.warmy.io/blog/product-updates/
featuresWarmy.io, the AI-powered email deliverability platform that combines warm-up, inbox placement testing, and continuous monitoring in one environment…https://www.warmy.io/blog/product-updates/
featuresAdeline AIhttps://www.warmy.io/product/
featuresAI Connecthttps://www.warmy.io/product/
featuresAdeline AIhttps://www.warmy.io/product-tour/
featuresAI Connecthttps://www.warmy.io/product-tour/
featuresAdeline AIhttps://www.warmy.io/blog/product-updates/
featuresAdeline AIhttps://www.warmy.io/product/agency

These are first-party product claims, not independent measurements of AI-search visibility.

14

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gapReview the sampled queries where tiktok.com appears.2 first-page appearances across christmas email sign offs

Website intelligence — Collected evidence

Website evidence gaps

  • integrations: no usable public page was collected; verify whether the site publishes this evidence.
  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • changes: no usable public page was collected; verify whether the site publishes this evidence.
  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

15

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
TrustpilotWarmy.io Reviews / Read Customer Service Reviews of warmy.ioGrounded web search### Great 231 reviews 4-star 3-star 2-star How is the TrustScore calculated? Replied to 100% of negative reviews ... ## All reviews 231 total ## Write a review 5-star 61% 4-star 20% 3-star 13% 2-star 0% 1-star 6%
ProspeoWarmy Pricing, Reviews, Pros & Cons (2026)Grounded web searchThe 30-second verdict: Warmy's warm-up engine works, support is responsive, and deliverability testing is genuinely useful. It holds a 4.8 on G2 (498 reviews), 4.9 on Capterra (54 reviews), and 4.0 on Trustpilot (237 reviews). The catch is per-inbox pricing. At $49/mo per mailbox on the cheapest plan, Warmy becomes one of the most expensive standalone warm-up tools the moment you pass 3 inboxes. Scale past that, and the math breaks fast. ... The rating gap tells a story: 4.8 on G2, but 4.0 on Tr
outflo.ioWarmy Review, Features & PricingGrounded web searchG2 shows 4.8/5 from 535 reviews and Capterra 4.8/5 from 55. Trustpilot shows 4.0/5 from 171 reviews. TrustRadius currently shows 8/10 from four reviews and ratings, including two written reviews; its original scale is retained and sample is small. Users praise support, setup, customization and reporting. Critical reports include cost, reconnection steps, dashboard friction, billing and variable outcomes. Reviews are user experiences, not proof of guaranteed deliverability or current entitlements
warmforge.aiIn-depth Warmy.io Review: 200+ Users' Experience BreakdownGrounded web searchWe checked over 200 Warmy.io reviews from platforms like G2, Reddit, YouTube, and Capterra, ensuring feedback comes from real users across various platforms. Many users share positive experiences, especially around ease of use and simplicity.
mailivery.ioWarmy.io Review 2026: Good Warm-Up, But Is It Worth $49/Inbox?Grounded web searchOn Reddit, the tone is consistent: Warmy works, but it's expensive. > "Works well, inbox placement improved... but per inbox pricing ... Some users have also shared response rate improvements after using Warmy for a few weeks
puzzly.aiWarmy Review 2026: Pricing, Pros & Cons – PuzzlyGrounded web searchEmail Warmup$49/mo 4.5/5 Trustpilot (88 reviews) 4.7/5 G2 (120 reviews) Last reviewed: March 2026 Email warmup tool also searched as Warmy io with spam rescue capability that actively moves emails out of spam folders. Supports Google, Outlook, SMTP,
maildoso.aiWarmy.io Review: A Full Deliverability Suite, at a PremiumGrounded web searchTrustpilot: 4.0/5 (237 reviews) G2: 4.8/5 (498 reviews) Warmy has one of the strongest rating profiles in the category – 4.8 on G2 across nearly 500 reviews, 4.9 on Capterra, and a solid 4.0 on Trustpilot. Reviewers praise the breadth of features and results; the recurring caveat is price.
10xgtm.aiWarmy reviewGrounded web searchwith Trustpilot at 4.0. Reviewers praise the breadth, the results on inbox placement, and the service layer. It earns its keep as more than a warmer. Seed lists, verification, monitoring, and ... stack, and a named expert rides along on every plan
G2Warmy - AI Marketplace / G2Grounded web searchemail deliverability for businesses of all sizes. It offers features such as email warm-up, deliverability monitoring, DMARC tracking, seed list testing, and integration with various email service providers. Warmy also includes advanced tools like Adeline

Customer proof

No named customers, testimonials, or customer case studies were found.

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

16

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipCo-founder and CRO, Cloud Tech Gurussource
Contact and supportSee how your subject line and preheader look on a phone before you send.source
Legal and privacyNo Credit Card Required / Cancel Anytimesource
Security and complianceYour information is protected by 256-bit SSL encryptionsource
Uptime and status pageNot published on the collected pages.—

Not found on the collected pages: uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

17

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Not established in the collected sources.

Technical

18

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Web-based platform S41.S41
Platforms and appsWeb application S41.S41
API and extensibility (API, SDK, webhooks, MCP, plugins)Provides REST API and MCP integration S20 S41.S20 S41
Data ownership and exportNot published on the collected pages.—
Performance and reliability claimsAdeline makes 20 million decisions a day S11.S11
Release activityNot published on the collected pages.—
19

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
TLS certificateAmazon, valid, expires 2027-02-07
Security headersnone served
Headers not servedHSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy
Server headerAmazonS3
Mail handled byaspmx.l.google.com, alt1.aspmx.l.google.com
Nameserversns-857.awsdns-43.net, ns-1156.awsdns-16.org

Not measurable: wayback: rate limited by archive.org, ladder stopped after 1 probe(s). A gap here means the lookup was unavailable, not that the finding is negative.

20

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 98/100
  • Critical issues: 0
  • Warnings: 7
  • Notices: 1

Issues

SeverityIssueValueAffected URL
warningTitle length should be reviewed83https://www.warmy.io/blog/
warningTitle length should be reviewed77https://www.warmy.io/resources/email-tools/
noticeMeta description length should be reviewed192https://www.warmy.io/resources/email-tools/
warningTitle length should be reviewed68https://www.warmy.io/switch-to-warmy/
warningDuplicate title in audit sample2https://www.warmy.io/
warningDuplicate title in audit sample2https://www.warmy.io/
warningDuplicate meta description in audit sample2https://www.warmy.io/
warningDuplicate meta description in audit sample2https://www.warmy.io/

Crawled pages

StatusTitleH1sWordsResponseURL
200Warmy: Email Deliverability Revolution with Email Warm Up11413116 mshttps://www.warmy.io/
200Book a Demo: Deliverability Strategy for Your Volume \Warmy1655473 ms
200Warmy: Email Deliverability Revolution with Email Warm Up1141321 mshttps://www.warmy.io/
200Boost Email Deliverability with Warmy.io Blog - Expert Tips & Insights - Warmy Blog11271527 mshttps://www.warmy.io/blog/
200Email Tools Directory: Deliverability, Verification And Sending Tools \Warmy14605478 ms
200Google & Yahoo Bulk Sender Requirements: Full Checklist \Warmy12942416 ms
200500 Fascinating Email Facts: History, Numbers & Future \Warmy18864533 ms
200Black Friday Email Marketing 2026: Strategy & Deliverability19213545 mshttps://www.warmy.io/guides/black-friday-email-deliverability/
200About Warmy: The Team Behind Your Email Deliverability Success112879 mshttps://www.warmy.io/about/
200Warmy in the Press: News, Research & Interviews13038447 mshttps://www.warmy.io/press/
200Case Study On Email Marketing: Success Stories - Warmy13580437 mshttps://www.warmy.io/success-stories/
200Security at Warmy \Enterprise Email Deliverability Security11800432 ms
200Switch to Warmy \Free Migration From Your Email Deliverability Tool11232426 ms
200Warmy vs Competitors: Compare Email Deliverability Tools - Warmy11182846 mshttps://www.warmy.io/compare/
200Join Warmy.io affiliate program \Earn 25% Recurring commission1117016 ms

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

21

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct30.5%
search58.2%
search organic39.3%
search paid19.0%
social2.8%
social organic2.8%
social paid0.0%
referrals5.0%
paid referrals1.1%
mail1.6%
gen ai0.4%
affiliate0.4%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

22

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention specific competitors. Evidence gaps include lack of detailed pricing for custom plans, no security or compliance certifications, and no uptime or status page information. Open questions remain about data ownership and export capabilities.

23

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from warmy.io, including product pages, about page, and pricing page. The evidence catalog includes 180 entries from static and rendered pages. External proof search was used but no external reviews were scraped. Limitations: some claims are marketing statements and not independently verified.

Paid against free, in your inbox

One job at a time: the paid tools worth paying for, the free ones you can run yourself, and who should pick which.

No tracking pixels. One click to leave. We use your address to send Stack Radar and nothing else. Privacy.