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 sites found via StackScope Wider Web only. The "Found via" counts above always show every source. Reset
Postmark has been detected on 19 launches we've crawled, with 19 of those in July 2026 (0.0% of the month's launches so far). Most recent detection was 4 days ago.
It's most commonly paired with Cloudflare, HTTP/3, and Cloudflare DNS.
Share of new launches using Postmark
Each dot is one launch day. Line is the 7-day rolling average.
Transactional Email leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
Resend
|
4.44% | 64.12% | |
| #2 |
Amazon SES
|
0.63% | 9.13% | |
| #3 |
SendGrid
|
0.55% | 7.97% | |
| #4 |
Mail.Baby
|
0.54% | 7.87% | |
| #5 |
MailChannels
|
0.39% | 5.67% | |
| … | ||||
| #12 |
Postmark
Current page
|
0.03% | 0.48% | |
Percentages show adoption among launches found via StackScope Wider Web: the share of all such launches, and of those using any Transactional Email tool. All 42 in Transactional Email →
Often used with
| Tool | Launches |
|---|---|
Cloudflare
|
12 |
| HTTP/3 | 9 |
Cloudflare DNS
|
9 |
Vite
|
8 |
| HSTS | 8 |
Tools most often detected on the same launches as Postmark.
19 sites across the wider web use Postmark
StackScope Wider Web counts newly launched sites that are not indie product launches. They shape the aggregate figures on this page but are never listed individually. How StackScope Discovery works · Back to launches