Twilio: Temporary Increase in 4xx Errors When Sending Messages
Timeline of updates
- resolved
Between 4:03PM PST and 4:09PM PST, customers may have experienced 4xx errors when attempting to send messages from the Messaging API. This issue has been resolved.
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Twilio, started 2026-03-04 00:37 UTC, resolved after 0 min, 1 update(s).
- Title
- Temporary Increase in 4xx Errors When Sending Messages
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/43xc3kydkg09
Twilio profileRecent Twilio incidentsAll outages on March 4, 2026Twilio in March 2026MarkdownJSON