Transactional Email APIs · monthly outage report

Transactional Email APIs outages: August 2025

The 14 transactional email APIs we track reported 8 incidents in August 2025. Elastic Email reported the most (2). 8 had a clean month: Amazon SES, Brevo, Mailchimp Transactional (Mandrill), MailerSend, Mailjet, Resend, SparkPost (Bird), Twilio SendGrid.

VendorIncidentsPartial / majorOutage timeLongestWe detected
Elastic Email20——0
SMTP2GO20—2d 13h0
Loops10—1h 21m0
Mailgun10—54m0
Mailtrap Email Sending10—1h 2m0
Postmark10—3d0
Amazon SES00——0
Brevo00——0
Mailchimp Transactional (Mandrill)00——0
MailerSend00——0
Mailjet00——0
Resend00——0
SparkPost (Bird)00——0
Twilio SendGrid00——0

Longest Transactional Email APIs outages in August 2025

No partial or major outages were reported this month.

Current most reliable transactional email apis ranking →