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Twilio: Issues with Serverless Function Deployment.

MinorStatus: resolvedStarted Resolved (49 min)1 updatestatus.twilio.com (opens in new tab)
Part of an outage event

Cloudflare outage, Dec 5, 2025 · 46 vendors, 46 incidents

Twilio’s incident started in the same window without naming Cloudflare (timing only, not evidence of a link). (timing only, posted +21 min vs the first vendor naming Cloudflare)

Swipe sideways to see the whole diagram.

same windowCloudflareown incident not archivedWithin an hour18 vendors, 18 blamed CloudflareUnbounce, Expo, GitLab +151 to 4 hours later1 vendor, 1 blamed CloudflareKlaviyoLater2 vendors, 2 blamed CloudflareBitrise, Sigma ComputingTwilio (this incident)posted +21 min
same windowCloudflareown incident not archivedWithin an hour18 vendors, 18 blamedCloudflareUnbounce, Expo, GitLab +151 to 4 hours later1 vendor, 1 blamed CloudflareKlaviyoLater2 vendors, 2 blamed CloudflareBitrise, Sigma ComputingTwilio (this incident)posted +21 min
Twilio is outlined in red. Groups show up to a few vendors each; the event page lists every incident.
Mermaid source
flowchart LR
  root["Cloudflare<br/>own incident not archived"]:::inferred
  h1["Within an hour<br/>18 vendors, 18 blamed Cloudflare<br/>Unbounce, Expo, GitLab +15"]:::blames
  root --> h1
  h4["1 to 4 hours later<br/>1 vendor, 1 blamed Cloudflare<br/>Klaviyo"]:::blames
  root --> h4
  later["Later<br/>2 vendors, 2 blamed Cloudflare<br/>Bitrise, Sigma Computing"]:::blames
  root --> later
  me["Twilio (this incident)<br/>posted +21 min"]:::me
  root -.->|"same window"| me

Full event: timeline, evidence and all vendors →

Detected automatically from incidents that started together and named the same provider. A link means one vendor’s incident named another, not a confirmed cause.

Timeline of updates

  1. resolved

    Our engineers have monitored the fix and confirmed the issue with Serverless Function Deployment has been resolved. All services are now operating normally at this time.

From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.

How the archive is checked, and what it cannot prove.

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).

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