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Email APIs: September 2026

The final September 2026 standings for “What should I use to send email from my app?”. These numbers are fixed and can be cited by permalink. See the current standings.

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AI share of voice · September 2026

569 sampled answers · 10 models

  1. 1Amazon SES▼ 30.80%
    not named this month—
  2. 2Loops▼ 2.40%
    not named this month—
  3. 3Mailgun▼ 300%
    not named this month—
  4. 4Postmark▼ 24.80%
    not named this month—
  5. 5Resend▼ 19.30%
    not named this month—
  6. 6SendGrid▼ 30.10%
    not named this month—

Biggest mover: Amazon SES ▼ 30.8 pts vs the previous month

Share of voice weights each compared model equally: it is the average, across the models, of how often each one named the tool in its own answers, so a model probed more than another can't skew it. Model chips list which AI models named it this month; the pulse is the sentiment of that month's developer mentions across Hacker News, Reddit, GitHub, Stack Overflow, Bluesky and more.

The 3 prompts behind these standings
  • ›What should I use to send email from my app? (recommendation)
  • ›What are the best SendGrid alternatives? (alternatives)
  • ›Which transactional email API is best? (recommendation)

Each prompt is sampled several times per model per probe because answers vary run to run; 569 answers across 4 probe runs fed this month.