Mail Send API

Communication

SendGrid

Transactional and marketing email delivery with templates, analytics, and deliverability tools

Reported Latency

Typical performance from public reports -- not live measurements

Average: 150ms
p50
110ms
p95
300ms
p99
500ms

Reliability

99.95%observed uptime

Pricing

Free tier

100 emails/day

Paid starts at

$19.95/month (50,000 emails)

Technical Details

Authentication

API Key

Rate limit

Varies by plan

Protocols

REST

SDKs

PythonNode.jsJavaC#PHPRubyGo

Regions

USEU
DocumentationBase URL

Last updated: 2026-04-12