Postmark vs Resend:Which is more popular by branded search?
In August 2026, Postmark had more branded searches than Resend among email API platforms worldwide. Postmark was estimated to have 77.3K branded searches compared to Resend’s 56.3K, and held a 16.9% Share of Search versus Resend’s 12.3%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Postmark or Resend?
Compare the APIs used to send transactional email. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Postmark, Resend. 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 | — | — | — | — | — |
How has the Postmark and Resend comparison changed over the last 12 months?
3 findings
- Postmark was ahead of Resend in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Postmark’s estimated Share of Search among email API platforms worldwide moved from 11.9% to 16.9%, and its estimated monthly branded searches moved from 63.5K to 77.3K.
- Across the 11 months ending August 2026, Resend’s estimated Share of Search among email API platforms worldwide moved from 3.3% to 12.3%, and its estimated monthly branded searches moved from 17.8K to 56.3K.
How did search popularity change for email API platforms worldwide in August 2026?
2 changes
In August 2026, Postmark overtook Mailgun to rank 2nd among email API platforms worldwide, at 16.9%.
In August 2026, Resend lost estimated Share of Search among email API platforms worldwide, from 13% to 12.3%.
How each brand is measured
Brandwave collects information about searches that people make online using Postmark’s and Resend’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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