Outage in Twilio
Unexpected 503 Errors When Connecting to Twilio APIs
Resolved MinorIncident Report
Summary AI Generated
Twilio's REST API experienced unexpected 503 errors affecting less than 0.01% of requests over a 3.1-hour period. The errors occurred in brief windows at 19:30 UTC and again from 20:00-20:02 UTC. Engineers investigated and resolved the issue, with APIs returning to normal operation.
Our monitoring systems have detected a potential issue leading to 503 Errors. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
Components affected
Twilio REST APITrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 04/13/2026 11:14PM
The issue causing unexpected 503 errors (less than 0.01% error rate) has been resolved and Twilio APIs are operating normally at this time.
MONITORING
1 day ago - at 04/13/2026 10:43PM
The unexpected 503 errors (less than 0.01% error rate) for customers using Twilio APIs are now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.
INVESTIGATING
1 day ago - at 04/13/2026 10:10PM
We are still investigating an issue causing unexpected 503 errors (less than 0.01% error rate) at 19:30 UTC and again from 20:00 - 20:02 UTC for customers using Twilio APIs. Our engineers are investigating root cause and will provide another update in 2 hours or as soon as more information becomes available.
INVESTIGATING
1 day ago - at 04/13/2026 08:53PM
We are currently investigating an issue causing unexpected 503 errors (less than 0.01% error rate) at 19:30 UTC and again from 20:00 - 20:02 UTC for customers using Twilio APIs. Our engineers are investigating root cause and will provide another update in one hour or as soon as more information becomes available.
INVESTIGATING
1 day ago - at 04/13/2026 08:13PM
Our monitoring systems have detected a potential issue leading to 503 Errors. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
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