Payment Processors · reliability comparison

Adyen vs Stax: which is more reliable? (2026)

Adyen is more reliable than Stax, scoring 84.8 vs 49.0 out of 100. Over the last 90 days Adyen reported 10 incidents and Stax reported 4, with effective uptime of 99.95% and 98.48% respectively. Adyen resolves incidents faster on average (7h 14m).

Data updated Nov 2, 2026 · How we score

Adyen

84.8/100

Operational

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Stax

49.0/100

Operational

Visit Stax ↗
VS
MetricAdyenStax
Reliability score84.849.0
Rank (payment processors)#6#11
Uptime (90 days)99.95%98.48%
Incidents (90 days)104
Partial / major outages02
Avg time to resolve7h 14m21h 59m
Outages we detected00
Transparency score100/100100/100

Where Adyen and Stax differ

  • Adyen reported 2.5× as many incidents as Stax over the last 90 days (10 vs 4).
  • Stax had 2 partial or major outages, compared with 0 for Adyen.
  • Adyen fixes problems faster: 7h 14m on average, against 21h 59m for Stax (3.0× quicker).
  • Adyen's longest incident on record lasted 3d (Jul 31, 2026); Stax's lasted 2d 2h (Oct 27, 2026).

90-day uptime

Adyen

Aug 5, 2026 – Aug 28, 2026: no incidentsAug 29, 2026: 95.48% uptime, 1 incident (Degraded performance)Aug 30, 2026 – Nov 2, 2026: no incidents
90 days ago99.949% average daily uptimeToday

Stax

Aug 5, 2026 – Sep 27, 2026: no incidentsSep 28, 2026: 99.49% uptime, 1 incident (Degraded performance)Sep 29, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 94.53% uptime, 1 incident (Partial outage)Oct 21, 2026: 74.88% uptime, 1 incident (Partial outage)Oct 22, 2026 – Oct 26, 2026: no incidentsOct 27, 2026: 88.10% uptime, 1 incident (Partial outage)Oct 28, 2026: 50.00% uptime, 1 incident (Partial outage)Oct 29, 2026: 56.77% uptime, 1 incident (Partial outage)Oct 30, 2026 – Nov 2, 2026: no incidents
90 days ago98.486% average daily uptimeToday

Recent Adyen incidents

Full Adyen reliability report →

Recent Stax incidents

Full Stax reliability report →

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