Transactional Email APIs · reliability comparison

Mailtrap Email Sending vs SparkPost (Bird): which is more reliable? (2026)

Mailtrap Email Sending is more reliable than SparkPost (Bird), scoring 98.2 vs 87.7 out of 100. Over the last 90 days Mailtrap Email Sending reported 2 incidents and SparkPost (Bird) reported 8, with effective uptime of 99.99% and 99.90% respectively. Mailtrap Email Sending resolves incidents faster on average (6m).

Data updated Nov 1, 2026 · How we score

Mailtrap Email Sending

98.2/100

Operational

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SparkPost (Bird)

87.7/100

Operational

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VS
MetricMailtrap Email SendingSparkPost (Bird)
Reliability score98.287.7
Rank (transactional email APIs)#2#5
Uptime (90 days)99.99%99.90%
Incidents (90 days)28
Partial / major outages00
Avg time to resolve6m2h
Outages we detected00
Transparency score100/100100/100

Where Mailtrap Email Sending and SparkPost (Bird) differ

  • SparkPost (Bird) reported 4× as many incidents as Mailtrap Email Sending over the last 90 days (8 vs 2).
  • Mailtrap Email Sending fixes problems faster: 6m on average, against 2h for SparkPost (Bird) (20.3× quicker).
  • Mailtrap Email Sending's longest incident on record lasted 2h 57m (Nov 18, 2025); SparkPost (Bird)'s lasted 7h 30m (Jul 24, 2026).

90-day uptime

Mailtrap Email Sending

Aug 4, 2026 – Sep 15, 2026: no incidentsSep 16, 2026: 99.87% uptime, 2 incidents (Degraded performance)Sep 17, 2026 – Nov 1, 2026: no incidents
90 days ago99.998% average daily uptimeToday

SparkPost (Bird)

Aug 4, 2026 – Aug 18, 2026: no incidentsAug 19, 2026: 99.31% uptime, 1 incident (Degraded performance)Aug 20, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 96.94% uptime, 1 incident (Degraded performance)Aug 28, 2026 – Sep 13, 2026: no incidentsSep 14, 2026: 98.47% uptime, 1 incident (Degraded performance)Sep 15, 2026 – Sep 16, 2026: no incidentsSep 17, 2026: 99.43% uptime, 1 incident (Degraded performance)Sep 18, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 99.67% uptime, 1 incident (Degraded performance)Oct 2, 2026 – Oct 10, 2026: no incidentsOct 11, 2026: 98.06% uptime, 1 incident (Degraded performance)Oct 12, 2026 – Oct 27, 2026: no incidentsOct 28, 2026: 99.36% uptime, 1 incident (Degraded performance)Oct 29, 2026 – Nov 1, 2026: no incidents
90 days ago99.903% average daily uptimeToday

Recent Mailtrap Email Sending incidents

Full Mailtrap Email Sending reliability report →

Recent SparkPost (Bird) incidents

Full SparkPost (Bird) reliability report →

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