SendGrid incident: Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa

Affected components

• Voice, Middle East & Africa

1. resolvedOct 13, 2026, 18:57 UTC

   The incident has been resolved and voice calls between a subset of Twilio South Africa Phone Numbers and network subscribers on affected networks in South Africa are operating normally.

2. monitoringOct 13, 2026, 17:15 UTC

   We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in South Africa and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

3. monitoringOct 13, 2026, 15:14 UTC

   We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in South Africa and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

4. identifiedOct 13, 2026, 14:21 UTC

   Twilio customers may be experiencing voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in South Africa. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

5. investigatingOct 13, 2026, 14:19 UTC

   Twilio customers may be experiencing voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in South Africa. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

6. investigatingOct 13, 2026, 12:57 UTC

   Twilio customers may be experiencing voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in South Africa. Our team is actively investigating this issue. 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 SendGrid'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.

• LiveKit: Observability upload and Agent Simulations failuresCritical · Oct 13, 2026, 10:01 UTC
• Anthropic: Elevated errors on platform.claude.comMajor · Oct 7, 2026, 13:25 UTC
• Shippo: Elevated error rate on Canada post Shipment APIMajor · Oct 13, 2026, 08:58 UTC
• OVHcloud: [SBG5][Public Cloud] - Managed Kubernetes Service incident notificationMajor · Oct 13, 2026, 15:22 UTC
• HashiCorp Vault: Terraform Runs FailingMajor · Oct 13, 2026, 16:01 UTC
• Cloudflare: Cloudflare Service IssuesMajor · Oct 13, 2026, 16:39 UTC
• Grafana Cloud: IRM Unable to Send SMS to Thailand NumbersMinor · Oct 5, 2026, 16:17 UTC
• LiveKit: Investigating reports of elevated RoomService API errorsMinor · Oct 6, 2026, 00:10 UTC
• Shopify: Some merchants encountering error messages when trying to login to their adminsMinor · Oct 8, 2026, 14:49 UTC
• OVHcloud: [EU-WEST-PAR][Storage] - Object Storage S3 incident notificationMinor · Oct 8, 2026, 15:14 UTC

How often does SendGrid have incidents?

SendGrid reported 459 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 1m. See SendGrid's uptime and incident history