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AI search visibility leaderboard

Top Email API in AI search

Ranked by how often each brand surfaces in AI answers across 20 buying-intent queries and 80 scans over the last 30 days. Directional, sample=1.

Top cited domains 15
resend.com 56
sendgrid.com 26
mailgun.com 16
postmarkapp.com 15
apiscout.dev 3
documentation.mailgun.com 3
Visibility ranking 4 brands
# Brand Domain AI visibility Share of voice Appearances
1 SendGrid sendgrid.com 85.0% 28.1% 68
2 Mailgun mailgun.com 76.3% 25.2% 61
3 Resend resend.com 71.3% 23.6% 57
4 Postmark postmark.com 70.0% 23.1% 56

Powered by GeoBeam. Rankings are directional and based on sample=1 daily scans.