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Transactional email APIs

Postal vs Scaleway TEM

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

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Postal edges out Scaleway TEM in overall visibility, scoring 7 versus 3 and turning up in 5 of 62 answers compared to Scaleway TEM's 3. Postal's strongest showing is as a self-hosted transactional email server, named in all 3 of 3 answers on that question, while Scaleway TEM's best spot is for EU data hosting, named in 2 of 3 answers. Head-to-head, Postal came out ahead on 2 questions, Scaleway TEM on 1, with 17 questions tied. Both go unmentioned across several common questions, including webhooks, deliverability, and general "best API" queries.

Head to head

metricPostalScaleway TEM
score73
questions won32

By assistant

Postal

assistantscorenamed in, this weekusual spot, this week
ChatGPT55% of answers#1.0
Claude1115% of answers#3.7
Gemininot sampled this week
Perplexity55% of answers#1.0

Scaleway TEM

assistantscorenamed in, this weekusual spot, this week
ChatGPT45% of answers#2.0
Claude610% of answers#5.0
Gemininot sampled this week
Perplexity00% of answers

Where they differ

Only Postal gets named for

  • What's the best open-source or self-hosted transactional email server?
  • What's the best transactional email provider for high volume at low cost?

Only Scaleway TEM gets named for

  • What's the best email API for a European company that needs EU data hosting?

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