Payment Processors · reliability comparison

PayPal vs Shift4 Payments: which is more reliable? (2026)

PayPal is more reliable than Shift4 Payments, scoring 80.0 vs 57.8 out of 100. Over the last 90 days PayPal reported 3 incidents and Shift4 Payments reported 5, with effective uptime of 99.92% and 99.36% respectively. PayPal resolves incidents faster on average (3h 3m).

Data updated Nov 1, 2026 · How we score

MetricPayPalShift4 Payments
Reliability score80.057.8
Rank (payment processors)#7#8
Uptime (90 days)99.92%99.36%
Incidents (90 days)35
Partial / major outages02
Avg time to resolve3h 3m19h 29m
Outages we detected10
Transparency score50/100100/100

Where PayPal and Shift4 Payments differ

  • Shift4 Payments reported 67% more incidents than PayPal over the last 90 days (5 vs 3).
  • Shift4 Payments had 2 partial or major outages, compared with 0 for PayPal.
  • PayPal fixes problems faster: 3h 3m on average, against 19h 29m for Shift4 Payments (6.4× quicker).
  • PayPal's longest incident on record lasted 4h 20m (Oct 22, 2026); Shift4 Payments's lasted 3h 24m (Aug 24, 2026).
  • Our own probes detected 1 outage at PayPal and 0 at Shift4 Payments, of which 0 and 0 respectively were acknowledged on their status pages.

90-day uptime

PayPal

Aug 5, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 99.26% uptime, 1 incident (Degraded performance)Sep 23, 2026 – Oct 10, 2026: no incidentsOct 11, 2026: 99.59% uptime, 1 incident (Degraded performance)Oct 12, 2026: 98.12% uptime, 1 incident (Degraded performance)Oct 13, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 97.29% uptime, 1 incident (Degraded performance)Oct 23, 2026 – Oct 31, 2026: no incidentsNov 1, 2026: 98.59% uptime (Outage detected by our probes)Nov 2, 2026: no incidents
90 days ago99.920% average daily uptimeToday

Shift4 Payments

Aug 5, 2026 – Aug 23, 2026: no incidentsAug 24, 2026: 92.92% uptime, 1 incident (Partial outage)Aug 25, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 95.74% uptime, 1 incident (Major outage)Sep 11, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 92.49% uptime, 2 incidents (Degraded performance)Oct 23, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 24, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 25, 2026: 91.58% uptime, 1 incident (Degraded performance)Oct 26, 2026 – Nov 2, 2026: no incidents
90 days ago99.363% average daily uptimeToday

Recent PayPal incidents

Full PayPal reliability report →

Recent Shift4 Payments incidents

Full Shift4 Payments reliability report →

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