Twilio incident: WhatsApp Sandbox Sending Configuration Issues

Affected components

• WhatsApp Messaging

1. resolvedOct 26, 2026, 17:40 UTC

   We have monitored and resolved the issue with WhatsApp Sandbox sender configuration. All services are now operating normally at this time.

2. monitoringOct 26, 2026, 17:37 UTC

   Our engineers have mitigated the issue and are monitoring system performance. The WhatsApp Sandbox display name has been restored and the preconfigured templates have been updated. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigatingOct 26, 2026, 15:00 UTC

   Users may experience an incorrect display name for sandbox messages and errors sending preconfigured templates. We will provide another update in 1 hour or as soon as more information becomes available.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Twilio's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Datadog: Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent BuilderMajor · Oct 26, 2026, 17:26 UTC
• SendGrid: SMS Delivery Delays from Twilio to Claro Costa RicaMinor · Oct 24, 2026, 00:48 UTC
• SendGrid: MMS Delivery Delays from a Subset of Twilio Longcodes to C-Spire United StatesMinor · Oct 24, 2026, 19:28 UTC
• Akamai: Edge Delivery issues between Indonesia and SingaporeMinor · Oct 25, 2026, 13:44 UTC
• Linode: Connectivity Issue between ID-CGK (Jakarta) and SG-SIN-2 (Singapore 2)Minor · Oct 25, 2026, 13:54 UTC
• SendGrid: Voice Call Failures from Twilio Phone Numbers to RomaniaMinor · Oct 26, 2026, 13:09 UTC
• Cursor: Elevated errors for Claude Sonnet 5.5Minor · Oct 26, 2026, 14:02 UTC
• SendGrid: SMS Delivery Delays and Failures from Twilio to Mauritel MauritaniaMinor · Oct 26, 2026, 14:20 UTC
• Cloudflare: Cloudflare Workers build delaysMinor · Oct 26, 2026, 15:12 UTC
• Netlify: Delays in build logs appearing in the UIMinor · Oct 26, 2026, 16:05 UTC

How often does Twilio have incidents?

Twilio reported 503 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 9m. See Twilio's uptime and incident history