New AI Incident Response, Multi-Region Agents, and Custom-Domain Status Pages — May 2026
Monitor Features overview Vendor status Uptime & synthetic checks Certificate lifecycle Operate Incident management Live demo
By goal Replace your stack Why ServiceAlert Competitor comparisons Alternatives directory By signal Reliability hub   · Uptime rankings   · SLA compliance Outage map
Services
Check & scan SSL security grader Status checker DNS lookup Response time WHOIS lookup Calculators SLA calculator Downtime calculator Embed Status badges All tools →
Pricing
Guides Help center Uptime monitoring RUM & analytics Teams & shared monitors Developer API reference Status badges Learn Blog Outage reports FAQ Changelog
Dashboard

OneSignal Outage History

Uptime record, past incidents, and downtime history for OneSignal.

Checking current status...
91.2% uptime over 91 days
99.9% ✗ 99.5% ✗ 99% ✗ 95% ✗

90-Day Trend

Feb 25May 25

Monthly Uptime

Month Uptime Days Tracked Days with Issues
May 2026 92% 25 2
April 2026 90% 30 3
March 2026 90.3% 31 3
February 2026 100% 5 0

Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.

Daily Status (Last 91 Days)

Feb 24 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

May 2026
Event Export Delay
minor

Started: May 22, 8:50 PM

monitoring
May 22, 8:50 PM
Delay in deliveries impacting free customers
minor

Started: May 22, 7:37 PM

identified
May 22, 7:46 PM
investigating
May 22, 7:37 PM
Dashboard & API - Partial Outage
major

Started: May 11, 6:19 PM

monitoring
May 11, 6:36 PM
investigating
May 11, 6:19 PM
April 2026
[Dashboard & API] - [elevated error rates]
major

Started: Apr 24, 6:25 PM

investigating
Apr 24, 6:25 PM
[Database connectivity] - [Dashboard users]
major

Started: Apr 13, 10:00 PM

monitoring
Apr 13, 10:00 PM
Elevated errors while displaying app metrics
minor

Started: Apr 9, 6:58 PM

monitoring
Apr 9, 7:37 PM
monitoring
Apr 9, 6:58 PM
Dashboard and API outage
critical

Started: Apr 9, 2:46 PM

monitoring
Apr 9, 2:59 PM
identified
Apr 9, 2:55 PM
investigating
Apr 9, 2:46 PM
Dashboard - API latency increases
minor

Started: Apr 9, 2:20 PM

monitoring
Apr 9, 2:33 PM
investigating
Apr 9, 2:20 PM
March 2026
Intermittent errors from Notification Create endpoint
major

Started: Mar 20, 8:13 PM

investigating
Mar 20, 8:52 PM
investigating
Mar 20, 8:13 PM
Email deliveries are experiencing delays and potential failures
critical

Started: Mar 20, 5:25 PM

monitoring
Mar 20, 6:27 PM
investigating
Mar 20, 6:07 PM
investigating
Mar 20, 5:25 PM
web requests - user access and service reliability affected for ~5% of users for ~2 min
major

Started: Mar 19, 10:55 PM

investigating
Mar 19, 10:55 PM
Data feeds - Processing delays
minor

Started: Mar 13, 4:10 PM

monitoring
Mar 13, 4:20 PM
investigating
Mar 13, 4:10 PM
View live status for OneSignal Browse all services