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Transactional email APIs

Elastic Email vs Mailtrap

as AI assistants see them, week of 2026-09-28

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Elastic Email and Mailtrap both struggle to get much airtime from AI assistants, but Mailtrap comes out ahead overall, scoring 13 versus Elastic Email's 5, and showing up in 11 of 62 answers compared to Elastic Email's 4 of 62. Head to head, Mailtrap was named more often in 8 questions, Elastic Email in 3, with 9 ties. Mailtrap's strongest showing is on testing and previewing emails, named in all 3 answers for that question, while Elastic Email's best spot is cheap transactional email at scale, named in 2 of 3 answers. Each has five questions where it's never mentioned at all.

Head to head

metricElastic EmailMailtrap
score513
questions won38

By assistant

Elastic Email

assistantscorenamed in, this weekusual spot, this week
ChatGPT00% of answers
Claude35% of answers#7.0
Gemininot sampled this week
Perplexity1215% of answers#3.0

Mailtrap

assistantscorenamed in, this weekusual spot, this week
ChatGPT710% of answers#4.0
Claude35% of answers#5.0
Gemininot sampled this week
Perplexity2840% of answers#4.0

Where they differ

Only Elastic Email gets named for

  • What's the cheapest way to send transactional email at scale?
  • What's the best transactional email provider for high volume at low cost?
  • What's the best email API that also handles marketing campaigns?

Only Mailtrap gets named for

  • What's the best tool to test and preview emails before sending?
  • Which email API has the best free tier?
  • Which email API has the best deliverability?
  • What's the best email service for sending receipts and order confirmations?
  • What's the best SMTP service for an app?
  • What's the best email API with webhooks for bounces and opens?
  • Which transactional email provider has the best developer experience?
  • What are the best transactional email APIs?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full Transactional email APIs leaderboard