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Sites using Maileroo

Transactional email API.

#25 of 148 in Transactional Email Tracked since Apr 2026 Last seen: Sep 1, 2026 Website: maileroo.com
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192 sites

151 found by StackScope, 41 via launch platforms

StackScope Discovery (Indie) 82 StackScope Wider Web 69 Product Hunt 27 PeerPush 10 Hacker News 3 Other 1
  • StackScope Discovery (Indie) 82
  • StackScope Wider Web 69
  • Product Hunt 27
  • PeerPush 10
  • Hacker News 3
  • Other 1
View: All sites All launches Launch platforms StackScope Discovery StackScope Wider Web
Last 7 days 0.0% -0.0pp
Most used with Google Search Console, HTTP/3, Cloudflare DNS
Top product types Productivity, Developer Tools, Marketing
Green hosting 59% vs 45% avg

Maileroo has been detected on 192 launches we've crawled. The 7-day rolling share is 0.0%, roughly steady week on week. Most recent detection: Canada Hackathons — Every Upcoming Hackathon 2026, today.

It's most commonly paired with Google Search Console, HTTP/3, and Cloudflare DNS. By product type, the launches using it are most often Productivity (22%), Developer Tools (12%), and Marketing (12%). The 41 scored launches using Maileroo average a StackScope score of 7.2 out of 10, against 6.4 across all launches we score.

What kind of products ship with Maileroo

98 launches

Productivity
22.45%
Developer Tools
12.24%
Marketing
12.24%
Health
9.18%
AI
7.14%
Education
6.12%
Social
6.12%
E-commerce
5.10%
Finance
5.10%
Games
5.10%
Hiring & HR
4.08%
Content
3.06%
Crypto
1.02%
Design
1.02%

Domain endings using Maileroo

192 sites

  • .com 52.60%
  • .app 12.50%
  • .io 3.65%
  • .ai 3.12%
  • .ca 3.12%
  • .online 3.12%
  • .in 2.60%
  • .space 2.08%
  • .xyz 2.08%
  • .net 1.56%
  • .org 1.56%
  • .cc 1.04%
  • .cloud 1.04%
  • .co 1.04%

Country

11 of 192 sites, where we are confident of the country.

  • United Kingdom United Kingdom 36.36%
  • Singapore Singapore 18.18%
  • Bangladesh Bangladesh 9.09%
  • Germany Germany 9.09%
  • Estonia Estonia 9.09%
  • France France 9.09%
  • United States United States 9.09%

Share of new sites using Maileroo

Each dot is one launch day. Line is the 7-day rolling average; weekly averages before June 2026.

0.0%
last 7 days
-0.0pp vs prior week
192
sites all time
since Apr 2026
Maileroo daily detection trend Before 8 July 2026: launch platforms only. We began crawling the wider web on this date, so the cohort this share is measured against changes here. 5% 2% 0% Apr May Jun Jul Aug Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery. Jul 3, 2026: Email provider detection improved: providers identified from mail configuration are now caught on a site's first crawl. Earlier data may slightly undercount. Weekly averages before this point, daily after. Jun 3 · 0 / 714 = 0.0% Jun 4 · 0 / 599 = 0.0% Jun 5 · 0 / 581 = 0.0% Jun 6 · 0 / 436 = 0.0% Jun 7 · 0 / 404 = 0.0% Jun 8 · 0 / 515 = 0.0% Jun 9 · 1 / 876 = 0.1% Jun 10 · 0 / 722 = 0.0% Jun 11 · 0 / 577 = 0.0% Jun 12 · 0 / 449 = 0.0% Jun 13 · 0 / 380 = 0.0% Jun 14 · 1 / 345 = 0.3% Jun 15 · 0 / 532 = 0.0% Jun 16 · 0 / 1052 = 0.0% Jun 17 · 0 / 907 = 0.0% Jun 18 · 0 / 674 = 0.0% Jun 19 · 0 / 547 = 0.0% Jun 20 · 0 / 443 = 0.0% Jun 21 · 0 / 383 = 0.0% Jun 22 · 0 / 576 = 0.0% Jun 23 · 0 / 900 = 0.0% Jun 24 · 0 / 737 = 0.0% Jun 25 · 0 / 618 = 0.0% Jun 26 · 0 / 534 = 0.0% Jun 27 · 0 / 431 = 0.0% Jun 28 · 0 / 383 = 0.0% Jun 29 · 1 / 503 = 0.2% Jun 30 · 1 / 801 = 0.1% Jul 1 · 1 / 795 = 0.1% Jul 2 · 3 / 604 = 0.5% Jul 3 · 0 / 499 = 0.0% Jul 4 · 0 / 411 = 0.0% Jul 5 · 1 / 367 = 0.3% Jul 6 · 1 / 551 = 0.2% Jul 7 · 0 / 1171 = 0.0% Jul 8 · 1 / 12590 = 0.0% Jul 9 · 4 / 23745 = 0.0% Jul 10 · 2 / 22552 = 0.0% Jul 11 · 1 / 15979 = 0.0% Jul 12 · 0 / 20291 = 0.0% Jul 13 · 0 / 20923 = 0.0% Jul 14 · 1 / 20409 = 0.0% Jul 15 · 0 / 17242 = 0.0% Jul 16 · 2 / 14264 = 0.0% Jul 17 · 0 / 19732 = 0.0% Jul 18 · 1 / 22700 = 0.0% Jul 19 · 1 / 26074 = 0.0% Jul 20 · 2 / 22585 = 0.0% Jul 21 · 4 / 21650 = 0.0% Jul 22 · 0 / 23202 = 0.0% Jul 23 · 2 / 16862 = 0.0% Jul 24 · 1 / 12853 = 0.0% Jul 25 · 4 / 8947 = 0.0% Jul 26 · 3 / 19978 = 0.0% Jul 27 · 2 / 33869 = 0.0% Jul 28 · 4 / 38221 = 0.0% Jul 29 · 1 / 50105 = 0.0% Jul 30 · 3 / 43954 = 0.0% Jul 31 · 3 / 51112 = 0.0% Aug 1 · 5 / 50491 = 0.0% Aug 2 · 7 / 49662 = 0.0% Aug 3 · 4 / 48190 = 0.0% Aug 4 · 6 / 37326 = 0.0% Aug 5 · 0 / 32708 = 0.0% Aug 6 · 4 / 36583 = 0.0% Aug 7 · 0 / 37890 = 0.0% Aug 8 · 1 / 39682 = 0.0% Aug 9 · 2 / 34205 = 0.0% Aug 10 · 2 / 28848 = 0.0% Aug 11 · 1 / 32021 = 0.0% Aug 12 · 3 / 33480 = 0.0% Aug 13 · 3 / 49916 = 0.0% Aug 14 · 5 / 51430 = 0.0% Aug 15 · 5 / 51493 = 0.0% Aug 16 · 3 / 51815 = 0.0% Aug 17 · 4 / 41422 = 0.0% Aug 18 · 4 / 53844 = 0.0% Aug 19 · 2 / 49417 = 0.0% Aug 20 · 3 / 66834 = 0.0% Aug 21 · 7 / 90360 = 0.0% Aug 22 · 9 / 91516 = 0.0% Aug 23 · 4 / 90231 = 0.0% Aug 24 · 7 / 78877 = 0.0% Aug 25 · 3 / 69250 = 0.0% Aug 26 · 2 / 65060 = 0.0% Aug 27 · 5 / 83370 = 0.0% Aug 28 · 2 / 83335 = 0.0% Aug 29 · 3 / 84167 = 0.0% Aug 30 · 7 / 92115 = 0.0% Aug 31 · 6 / 88899 = 0.0%
Mar 30, 2026 90 days Aug 31, 2026

The shaded part of the chart is measured against a different set of sites. Until 8 July 2026 we only tracked launches from launch platforms; from that date we crawl the wider web as well. The share is a proportion of whatever we were tracking at the time, so it can step at that line without the technology itself changing. For a single continuous measure, switch to launch platforms.

How StackScope detects technologies

⋮ Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.

⋮ Jul 3, 2026: Email provider detection improved: providers identified from mail configuration are now caught on a site's first crawl. Earlier data may slightly undercount.

Transactional Email leaders

Tool % of launches % of category
#1 – Resend 5.48% 64.07%
#2 ▲1 SendGrid 0.66% 7.76%
#3 ▼2 Amazon SES 0.65% 7.61%
#4 ▲1 MailChannels 0.52% 6.02%
#5 – Mail.Baby 0.44% 5.16%
…
#25 ▼1 Maileroo Current page 0.01% 0.09%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Transactional Email tool. All 148 in Transactional Email →

Often used with

Tool Launches
Google Search Console 29
HTTP/3 28
Cloudflare DNS 25
HSTS 25
Tailwind CSS 24

Tools most often detected on the same launches as Maileroo.

Recent launches we can show

123 of the 192 sites using Maileroo are product launches we list individually. The other 69 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works

Canada Hackathons — Every Upcoming Hackathon 2026 Sep 1, 2026 Griddle Word — Multiplayer Word Grid Game to Play Online with Friends Sep 1, 2026 Games Voyage: Travel Together — plan the trip together, split the costs fairly Aug 31, 2026 ORDAL · Sag es. Tu es. Aug 31, 2026 Cellular Defense — encrypted documents the server cannot read Aug 30, 2026 Developer Tools RepoMuse - Social posts written from your repo and your own voice Aug 30, 2026 Marketing My11HQ - Professional Football & League Management Platform Aug 30, 2026 Estadísticas avanzadas de baloncesto · BasketStats Aug 29, 2026 JobsNate | Hire Verified Workers & Find Jobs Worldwide Aug 29, 2026 Hiring & HR EZ CIC — CIC Practice Management for NYS Coordinators Aug 29, 2026 Education RemoteGymp — the Swiss army knife of remote support Aug 28, 2026 ADHD Cleaning Planner & Printable Checklists | ResetNook Aug 27, 2026

Showing the most recent 12 of 123.

The StackScope API serves all 192 sites using Maileroo, filterable and exportable, from £15 a month.

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.