Email API

Communication

Resend

Developer-first email API built on Amazon SES with React email templates and webhook support

Reported Latency

Typical performance from public reports -- not live measurements

Average: 120ms

p50

90ms

p95

250ms

p99

450ms

99.9%observed uptime

Free tier

100 emails/day

Paid starts at

$20/month (50,000 emails)

Authentication

API Key

Rate limit

10 RPM (free), 100+ RPM (paid)

Protocols

REST

SDKs

Node.jsPythonRubyGoElixirRust

Regions

USEU

GitHub stars

14,000

Last updated: 2026-04-12