SendGrid incident: SMS Delivery Delays and Failures from Twilio to Zamtel Zambia

Affected components

• SMS, Middle East & Africa

1. resolvedOct 10, 2026, 13:22 UTC

   The incident has been resolved and SMS delivery from Twilio to Zamtel network subscribers in Zambia is operating normally.

2. monitoringOct 10, 2026, 11:19 UTC

   We have observed a recovery in SMS delivery from Twilio to Zamtel network subscribers in Zambia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigatingOct 10, 2026, 10:04 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. investigatingOct 10, 2026, 08:03 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

5. investigatingOct 10, 2026, 07:03 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. 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.

• Anthropic: Elevated errors on platform.claude.comMajor · Oct 7, 2026, 13:25 UTC
• Confluent Cloud: Experiencing high error rate in AZURE in West Europe regionMajor · Oct 9, 2026, 23:03 UTC
• Shippo: Elevated error rate on DPD Germany TrackingMajor · Oct 10, 2026, 06:42 UTC
• Clerk: Development instances only - Apple rejecting emailsMinor · Sep 28, 2026, 15:23 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
• Twilio: SMS Delivery Delays and Failures from Twilio to Movistar El SalvadorMinor · Oct 6, 2026, 20:59 UTC
• Twilio: SMS Delivery Delays from Twilio to Brisanet BrazilMinor · Oct 7, 2026, 14:02 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