Shipping & Fulfillment Software · reliability comparison
ShipEngine vs Stamps.com: which is more reliable? (2026)
Stamps.com is more reliable than ShipEngine, scoring 64.3 vs 45.2 out of 100. Over the last 90 days ShipEngine reported 8 incidents and Stamps.com reported 9, with effective uptime of 98.39% and 99.59% respectively. Stamps.com resolves incidents faster on average (15h 50m).
Data updated Nov 1, 2026 · How we score
| Metric | ShipEngine | Stamps.com |
|---|---|---|
| Reliability score | 45.2 | 64.3 |
| Rank (shipping software tools) | #7 | #6 |
| Uptime (90 days) | 98.39% | 99.59% |
| Incidents (90 days) | 8 | 9 |
| Partial / major outages | 2 | 0 |
| Avg time to resolve | 1d 4h | 15h 50m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where ShipEngine and Stamps.com differ
- Stamps.com reported 13% more incidents than ShipEngine over the last 90 days (9 vs 8).
- ShipEngine had 2 partial or major outages, compared with 0 for Stamps.com.
- Stamps.com fixes problems faster: 15h 50m on average, against 1d 4h for ShipEngine.
- ShipEngine's longest outage on record lasted 22h 44m (Sep 24, 2026); Stamps.com's lasted 2d 2h (Oct 20, 2026).
90-day uptime
ShipEngine
Stamps.com
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent ShipEngine incidents
- InformationalOct 20, 2026 · resolved in 5h 25m
DPD United Kingdom/DPD Local issue
Affected: DPD
- InformationalSep 30, 2026 · ongoing
Affected: Stamps.com
- Degraded performanceSep 24, 2026 · resolved in 4d 15h
Programmatic UPS Account Connection
Affected: UPS US
- Major outageSep 24, 2026 · resolved in 22h 44m
Evri - Unable to create labels
Affected: Evri
- Degraded performanceSep 2, 2026 · resolved in 16h 30m
Temporary disruption affecting FedEx UK Rates
Affected: FedEx US
- InformationalAug 26, 2026 · resolved in 23m
Delay in receiving the tracking statuses from Royal Mail and Parcel Force
Affected: Royal Mail
Recent Stamps.com incidents
- InformationalOct 27, 2026 · ongoing
Important Change: DDU Shipments to Germany No Longer Accepted
- Degraded performanceOct 23, 2026 · resolved in 4h 2m
We are currently experiencing technical difficulties printing envelopes with Stamps Classic Software
Affected: Stamps.com Software (Printing Postage Using our Windows Application)
- Degraded performanceOct 22, 2026 · resolved in 4h 43m
Affected: Stamps.com Online (Printing Postage Using a Web Browser)
- Degraded performanceOct 20, 2026 · resolved in 2d 2h
Order Import Delays With Ebay Store
Affected: Stamps.com Online (Printing Postage Using a Web Browser)
- InformationalOct 20, 2026 · resolved in 2h 6m
- InformationalSep 30, 2026 · ongoing
Other shipping software tools to consider
- Ordoro · #1 · 100% uptime
- Pirate Ship · #2 · 99.98% uptime
- ShippingEasy · #3 · 99.96% uptime
- EasyPost · #4 · 99.85% uptime