ESPB
Latest
Feb 18, 2026Plunk: Dashboard Analytics DelayedFeb 15, 2026The State of Email Delivery in 2026Feb 8, 2026Mailgun: EU Region Delivery DelaysFeb 3, 2026Loops: API Documentation UnavailableFeb 1, 2026Q1 2026 ESP Performance ReportJan 28, 2026API Latency Comparison: Which ESP Responds Fastest?Jan 20, 2026Transactional Email Showdown: Postmark vs Resend vs BrewFeb 18, 2026Plunk: Dashboard Analytics DelayedFeb 15, 2026The State of Email Delivery in 2026Feb 8, 2026Mailgun: EU Region Delivery DelaysFeb 3, 2026Loops: API Documentation UnavailableFeb 1, 2026Q1 2026 ESP Performance ReportJan 28, 2026API Latency Comparison: Which ESP Responds Fastest?Jan 20, 2026Transactional Email Showdown: Postmark vs Resend vs Brew

Benchmarks

Comprehensive performance data across all monitored ESP providers. Click column headers to sort.

#
Provider
Score
CurrentLIVE
Status
1Brew9494
2Resend9191
3Postmark9090
4SendGrid8585
5Amazon SES8383
6Mailgun8282
7Loops8181
8SparkPost8080
9Customer.io7878
10Brevo7676
11Mailchimp7474
12Plunk7272
Scores are calculated from automated testing agents running hourly checks across 6 regions. Read our methodology