AI visibility / Email Infra

How AI describes transactional email APIs

Resend, Postmark, Mailgun, SendGrid, Loops — the choice every dev team makes once and rarely revisits, until deliverability tanks. Here's what AI search returns when developers ask.

Brands tracked

5

in this category

Total mentions

3188

across AI search surfaces

Avg. sentiment

+0.44

positive overall

Mention leader: Mailgun with 1649 mentions across AI search surfaces.

Brands in this category

All 5 email infra tools we cover

Mailgun

mailgun.com

#1

1649

Mentions

+0.35

Sentiment

Email API and deliverability platform for developers.

Postmark

postmarkapp.com

#2

652

Mentions

+0.14

Sentiment

Reliable transactional email service for app and product teams.

Loops

loops.so

#3

510

Mentions

+0.39

Sentiment

Email platform for SaaS — transactional + marketing in one.

Resend

resend.com

#4

214

Mentions

+0.66

Sentiment

Modern transactional email API for developers.

SendGrid

sendgrid.com

#5

163

Mentions

+0.65

Sentiment

Email delivery infrastructure (Twilio company).

Related categories

Adjacent tool categories worth checking

Dev Infrastructure

Vercel, Netlify, Render, Railway, Fly.

Marketing Automation

Mailchimp, ConvertKit (now Kit), beehiiv, Customer.

Methodology: counts are AI search answers that mention or cite each brand's domain, pulled from a third-party index of AI answers (mostly Google AI Overview). They are not from a prompt panel Lynceus wrote. Each brand report names the surfaces it checked. See how to measure AI visibility.

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