---
title: "Email API platforms: Which brands are most popular in search?"
description: "Compare the APIs used to send transactional email. Share of Search among Twilio SendGrid, Postmark, Mailgun, Resend and Amazon SES, the email API platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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."
canonical: "https://gobrandwave.com/demand/global-en/categories/email-api-platforms"
publisher: "Brandwave"
---

# Email API platforms: Which brands are most popular in search?

Compare the APIs used to send transactional email. Share of Search among Twilio SendGrid, Postmark, Mailgun, Resend and Amazon SES, the email API platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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.

## Key facts

- **Competitive set**: Email API platforms
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Twilio SendGrid, 45.7%

## Which brand is most popular in search among email API platforms worldwide?

- In August 2026, Twilio SendGrid was the most searched among email API platforms worldwide, with an estimated 209K branded searches and 45.7% estimated Share of Search within this set.
- Postmark is in 2nd place, 28.8 percentage points behind at 16.9% Share of Search.
- Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among email API platforms worldwide decreased from 58.1% to 45.7%.
- 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, Mailgun’s estimated Share of Search among email API platforms worldwide decreased from 20.6% to 16.2%.
- Across the 11 months ending August 2026, Resend’s estimated Share of Search among email API platforms worldwide increased from 3.3% to 12.3%.
- Across the 11 months ending August 2026, Amazon SES’s estimated Share of Search among email API platforms worldwide increased from 6.2% to 8.9%.
- Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among email API platforms worldwide peaked at 58.1% in October 2025 and was lowest at 43.6% in July 2026.
- Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among email API platforms worldwide peaked at 22.9% in November 2025 and was lowest at 16.2% in August 2026.
- Across the 11 months ending August 2026, Resend’s estimated Share of Search among email API platforms worldwide peaked at 13% in July 2026 and was lowest at 3.3% in October 2025.
- Across the 11 months ending August 2026, Postmark rose from 3rd to 2nd among email API platforms worldwide.
- Across the 11 months ending August 2026, Mailgun fell from 2nd to 3rd among email API platforms worldwide.
- Across the 11 months ending August 2026, Resend rose from 5th to 4th among email API platforms worldwide.
- Across the 11 months ending August 2026, Amazon SES fell from 4th to 5th among email API platforms worldwide.

## Compare search popularity between leading brands

- [Twilio SendGrid vs Postmark: compare search popularity](/demand/global-en/compare/postmark-vs-sendgrid): 45.7% against 16.9% Share of Search.
- [Twilio SendGrid vs Mailgun: compare search popularity](/demand/global-en/compare/mailgun-vs-sendgrid): 45.7% against 16.2% Share of Search.
- [Twilio SendGrid vs Resend: compare search popularity](/demand/global-en/compare/resend-vs-sendgrid): 45.7% against 12.3% Share of Search.
- [Twilio SendGrid vs Amazon SES: compare search popularity](/demand/global-en/compare/amazon-ses-vs-sendgrid): 45.7% against 8.9% Share of Search.
- [Postmark vs Mailgun: compare search popularity](/demand/global-en/compare/mailgun-vs-postmark): 16.9% against 16.2% Share of Search.
- [Postmark vs Resend: compare search popularity](/demand/global-en/compare/postmark-vs-resend): 16.9% against 12.3% Share of Search.
- [Postmark vs Amazon SES: compare search popularity](/demand/global-en/compare/amazon-ses-vs-postmark): 16.9% against 8.9% Share of Search.
- [Mailgun vs Resend: compare search popularity](/demand/global-en/compare/mailgun-vs-resend): 16.2% against 12.3% Share of Search.
- [Mailgun vs Amazon SES: compare search popularity](/demand/global-en/compare/amazon-ses-vs-mailgun): 16.2% against 8.9% Share of Search.
- [Resend vs Amazon SES: compare search popularity](/demand/global-en/compare/amazon-ses-vs-resend): 12.3% against 8.9% Share of Search.

## How did search popularity change for email API platforms worldwide in August 2026?

- 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.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Twilio SendGrid | 45.7% | 209K | 0.0% | Twilio |
| 2 | Postmark | 16.9% | 77.3K | +0.7% | ActiveCampaign |
| 3 | Mailgun | 16.2% | 74.2K | -18.2% | Mailgun |
| 4 | Resend | 12.3% | 56.3K | -9.4% | Resend |
| 5 | Amazon SES | 8.9% | 40.5K | 0.0% | Amazon |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Twilio SendGrid | 311K | 58.1% | 1 |
| Oct 2025 | Mailgun | 110K | 20.6% | 2 |
| Oct 2025 | Postmark | 63.5K | 11.9% | 3 |
| Oct 2025 | Amazon SES | 33.1K | 6.2% | 4 |
| Oct 2025 | Resend | 17.8K | 3.3% | 5 |
| Nov 2025 | Twilio SendGrid | 254K | 52.9% | 1 |
| Nov 2025 | Mailgun | 110K | 22.9% | 2 |
| Nov 2025 | Postmark | 63.5K | 13.2% | 3 |
| Nov 2025 | Amazon SES | 33.1K | 6.9% | 4 |
| Nov 2025 | Resend | 19.5K | 4.1% | 5 |
| Dec 2025 | Twilio SendGrid | 254K | 53.3% | 1 |
| Dec 2025 | Mailgun | 90.6K | 19% | 2 |
| Dec 2025 | Postmark | 76.6K | 16.1% | 3 |
| Dec 2025 | Amazon SES | 33.1K | 6.9% | 4 |
| Dec 2025 | Resend | 22.1K | 4.6% | 5 |
| Jan 2026 | Twilio SendGrid | 254K | 49.6% | 1 |
| Jan 2026 | Mailgun | 110K | 21.5% | 2 |
| Jan 2026 | Postmark | 77.6K | 15.2% | 3 |
| Jan 2026 | Amazon SES | 40.5K | 7.9% | 4 |
| Jan 2026 | Resend | 29.6K | 5.8% | 5 |
| Feb 2026 | Twilio SendGrid | 254K | 49.3% | 1 |
| Feb 2026 | Mailgun | 110K | 21.4% | 2 |
| Feb 2026 | Postmark | 77.3K | 15% | 3 |
| Feb 2026 | Amazon SES | 40.5K | 7.9% | 4 |
| Feb 2026 | Resend | 33.6K | 6.5% | 5 |
| Mar 2026 | Twilio SendGrid | 311K | 53.1% | 1 |
| Mar 2026 | Mailgun | 110K | 18.8% | 2 |
| Mar 2026 | Postmark | 77.3K | 13.2% | 3 |
| Mar 2026 | Resend | 46.9K | 8% | 4 |
| Mar 2026 | Amazon SES | 40.5K | 6.9% | 5 |
| Apr 2026 | Twilio SendGrid | 256K | 48.2% | 1 |
| Apr 2026 | Mailgun | 110K | 20.8% | 2 |
| Apr 2026 | Postmark | 77.3K | 14.6% | 3 |
| Apr 2026 | Resend | 46.6K | 8.8% | 4 |
| Apr 2026 | Amazon SES | 40.5K | 7.6% | 5 |
| May 2026 | Twilio SendGrid | 254K | 50.6% | 1 |
| May 2026 | Mailgun | 90.7K | 18% | 2 |
| May 2026 | Postmark | 76.8K | 15.3% | 3 |
| May 2026 | Resend | 47.7K | 9.5% | 4 |
| May 2026 | Amazon SES | 33.1K | 6.6% | 5 |
| Jun 2026 | Twilio SendGrid | 254K | 50.4% | 1 |
| Jun 2026 | Mailgun | 90.7K | 18% | 2 |
| Jun 2026 | Postmark | 76.8K | 15.2% | 3 |
| Jun 2026 | Resend | 49.8K | 9.9% | 4 |
| Jun 2026 | Amazon SES | 33.1K | 6.6% | 5 |
| Jul 2026 | Twilio SendGrid | 209K | 43.6% | 1 |
| Jul 2026 | Mailgun | 90.7K | 18.9% | 2 |
| Jul 2026 | Postmark | 76.8K | 16% | 3 |
| Jul 2026 | Resend | 62.1K | 13% | 4 |
| Jul 2026 | Amazon SES | 40.5K | 8.5% | 5 |
| Aug 2026 | Twilio SendGrid | 209K | 45.7% | 1 |
| Aug 2026 | Postmark | 77.3K | 16.9% | 2 |
| Aug 2026 | Mailgun | 74.2K | 16.2% | 3 |
| Aug 2026 | Resend | 56.3K | 12.3% | 4 |
| Aug 2026 | Amazon SES | 40.5K | 8.9% | 5 |
| Sep 2026 | Amazon SES | — | — | — |
| Sep 2026 | Mailgun | — | — | — |
| Sep 2026 | Postmark | — | — | — |
| Sep 2026 | Resend | — | — | — |
| Sep 2026 | Twilio SendGrid | — | — | — |

## What is being compared

- **Amazon SES**: Measured on the search term “amazon ses”.
- **Mailgun**: Measured on the search terms “mailgun” and “mailgun email”, summed into one figure.
- **Postmark**: Measured on the search terms “postmark”, “postmark email” and “postmarkapp”, summed into one figure.
- **Resend**: Measured on the search terms “resend api”, “resend email”, “resend email api”, “resend transactional email” and “resend.com”, summed into one figure.
- **Twilio SendGrid**: Measured on the search terms “sendgrid” and “twilio sendgrid”, summed into one figure.

- [Amazon SES](/demand/global-en/brands/amazon-ses)
- [Mailgun](/demand/global-en/brands/mailgun)
- [Postmark](/demand/global-en/brands/postmark)
- [Resend](/demand/global-en/brands/resend)
- [Twilio SendGrid](/demand/global-en/brands/sendgrid)

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which brand is most popular in search among email API platforms worldwide?

In August 2026, Twilio SendGrid was the most searched among email API platforms worldwide, with an estimated 209K branded searches and 45.7% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Email API platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/email-api-platforms

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/email-api-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.