How popular isPostmark in search?
In August 2026, there were an estimated 77.3K branded searches for Postmark worldwide which is up 21.7% over the last 11 months. Postmark holds 16.9% estimated Share of Search among email API platforms worldwide and is ranked 2nd of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.
Twilio SendGrid45.7%
Postmark16.9%
Mailgun16.2%
Resend12.3%
Amazon SES8.9%
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Which email API platforms compete with Postmark?
Share of Search by month for Twilio SendGrid, Postmark, Mailgun, Resend, Amazon SES. The figures are in the table below the chart.
View monthly share of search table
| Month | Twilio SendGrid | Postmark | Mailgun | Resend | Amazon SES |
|---|---|---|---|---|---|
| Oct 2025 | 58.1% | 11.9% | 20.6% | 3.3% | 6.2% |
| Nov 2025 | 52.9% | 13.2% | 22.9% | 4.1% | 6.9% |
| Dec 2025 | 53.3% | 16.1% | 19% | 4.6% | 6.9% |
| Jan 2026 | 49.6% | 15.2% | 21.5% | 5.8% | 7.9% |
| Feb 2026 | 49.3% | 15% | 21.4% | 6.5% | 7.9% |
| Mar 2026 | 53.1% | 13.2% | 18.8% | 8% | 6.9% |
| Apr 2026 | 48.2% | 14.6% | 20.8% | 8.8% | 7.6% |
| May 2026 | 50.6% | 15.3% | 18% | 9.5% | 6.6% |
| Jun 2026 | 50.4% | 15.2% | 18% | 9.9% | 6.6% |
| Jul 2026 | 43.6% | 16% | 18.9% | 13% | 8.5% |
| Aug 2026 | 45.7% | 16.9% | 16.2% | 12.3% | 8.9% |
| Sep 2026 | — | — | — | — | — |
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 45.7% | 209K | 0% | +2.1 points | |
| 2, moved from 3rd to 2nd | 16.9% | 77.3K | +0.65% | +0.9 pointsmoved from 3rd to 2nd | |
| 3, moved from 2nd to 3rd | 16.2% | 74.2K | -18.2% | -2.7 pointsmoved from 2nd to 3rd | |
| 4, held 4th | 12.3% | 56.3K | -9.4% | -0.7 points | |
| 5, held 5th | 8.9% | 40.5K | 0% | +0.4 points |
45.7%
Held 1st. 209K estimated branded searches, 0% vs prior month. Share +2.1 points.
2.
Postmark16.9%
Moved from 3rd to 2nd. 77.3K estimated branded searches, +0.65% vs prior month. Share +0.9 points.
3.
Mailgun16.2%
Moved from 2nd to 3rd. 74.2K estimated branded searches, -18.2% vs prior month. Share -2.7 points.
4.
Resend12.3%
Held 4th. 56.3K estimated branded searches, -9.4% vs prior month. Share -0.7 points.
8.9%
Held 5th. 40.5K estimated branded searches, 0% vs prior month. Share +0.4 points.
Compare search popularity between Postmark and its closest rivals
How has branded search demand for Postmark changed worldwide over the last 12 months?
3 findings
- Across the 11 months ending August 2026, estimated monthly branded searches for Postmark worldwide rose from 63.5K to 77.3K.
- Across the 11 months ending August 2026, Postmark’s estimated Share of Search among email API platforms worldwide increased from 11.9% to 16.9%.
- Across the 11 months ending August 2026, Postmark rose from 3rd to 2nd among email API platforms worldwide.
How did search popularity change for email API platforms worldwide in August 2026?
5 changes
In August 2026, Postmark overtook Mailgun to rank 2nd among email API platforms worldwide, at 16.9%.
In August 2026, Twilio SendGrid gained estimated Share of Search among email API platforms worldwide, from 43.6% to 45.7%.
In August 2026, Mailgun lost estimated Share of Search among email API platforms worldwide, from 18.9% to 16.2%.
In August 2026, Resend lost estimated Share of Search among email API platforms worldwide, from 13% to 12.3%.
Estimated monthly branded searches for Amazon SES worldwide rose 22.4% over 11 measured months, from 33.1K to 40.5K in August 2026.
Where does Postmark compete?
| Competitor set | Rank | Share of Search | Ranking |
|---|---|---|---|
| Transactional email platforms | 2nd of 5 | 16.8% | Show ranking |
| Email API platforms | 2nd of 5 | 16.9% | Shown above |
How is Postmark measured?
Brandwave collects information about searches that people make online using Postmark’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.
3 branded search terms
- postmark
- postmark email
- postmarkapp
Who owns Postmark?
Postmark is owned by 
ActiveCampaign. Brandwave also tracks ActiveCampaign, owned by the same company, worldwide.
Do you work for Postmark? To request corrections or removal please contact us via our support page and we will be happy to assist.
Is Postmark your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.