Sites using Postmark
ActiveCampaign Postmark transactional email API.
Found via: Product Hunt 93 · Hacker News 16 · PeerPush 22 · StackScope Discovery (Indie) 17 · StackScope Wider Web 19
Figures on this page reflect launches found via StackScope Discovery only. The "Found via" counts above always show every source. Reset
Postmark has been detected on 17 launches we've crawled, with 17 of those in July 2026 (0.1% of the month's launches so far). Most recent detection: amariz.me, 5 days ago.
It's most commonly paired with HSTS, Google Fonts, and Cloudflare DNS. By product type, the launches using it are most often Developer Tools (27%), AI (18%), and Productivity (18%).
What kind of products ship with Postmark
11 launches
Share of new launches using Postmark
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
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
|
18.75% | 84.76% | |
| #2 |
Amazon SES
|
2.34% | 10.58% | |
| #3 |
SendGrid
|
0.80% | 3.61% | |
| #4 |
Cloudflare Email
|
0.55% | 2.49% | |
| #5 |
Firebase Trigger Email
|
0.53% | 2.38% | |
| … | ||||
| #10 |
Postmark
Current page
|
0.08% | 0.38% | |
Percentages show adoption among launches found via StackScope Discovery: the share of all such launches, and of those using any Transactional Email tool. All 33 in Transactional Email →
Often used with
| Tool | Launches |
|---|---|
| HSTS | 12 |
Google Fonts
|
10 |
Cloudflare DNS
|
10 |
Google Search Console
|
9 |
Tailwind CSS
|
7 |
Tools most often detected on the same launches as Postmark.
Most recent of 17 launches using Postmark found via StackScope Discovery
Datapolium · Análisis cuantitativo de activos financieros
Finance
StoryShooter
Content
ScoreOrder — Membership management for community music organizations
Parasource
LaraDocs
Developer Tools
Diakris — The key is already in you.
Social
Praya — Your household, in order.
Productivity
Kernel, Run agents in production. Not in fear.
Developer Tools
Dobbin — AI Built for Your Business
AI
Qeau — Deploy to Your VM in One Click, with Enterprise Governance
Developer Tools
Terrace — Find your frontier
Showing the most recent 12 of 17 found via StackScope Discovery.