SendGrid incident: SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey

Affected components

• SMS, Europe

1. resolvedOct 19, 2026, 00:17 UTC

   The incident has been resolved and SMS delivery from Twilio Alphanumeric Sender Type to network subscribers on affected networks in Turkey is operating normally.

2. monitoringOct 18, 2026, 22:15 UTC

   We have observed a recovery in SMS delivery from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

3. identifiedOct 18, 2026, 20:12 UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

4. identifiedOct 18, 2026, 16:12 UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in Turkey. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

5. identifiedOct 18, 2026, 14:10 UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender Type to network subscribers on multiple networks in Turkey. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

6. identifiedOct 18, 2026, 13:09 UTC

   Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. 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.

7. monitoringOct 18, 2026, 12:23 UTC

   We have observed a recovery in SMS delivery from Twilio Alphanumeric Sender Type to network subscribers on multiple networks in Turkey and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

8. monitoringOct 18, 2026, 08:22 UTC

   We have observed a recovery in SMS delivery from Twilio Alphanumeric Sender Type to network subscribers on multiple networks in Turkey and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

9. monitoringOct 18, 2026, 06:21 UTC

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

10. identifiedOct 18, 2026, 02:18 UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

11. identifiedOct 18, 2026, 00:17 UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

12. identifiedOct 17, 2026, 23:17 UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. 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.

13. investigatingOct 17, 2026, 23:14 UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in Turkey. 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.

• 1Password: High error rate on 1Password.comMajor · Oct 16, 2026, 23:45 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
• Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile ChinaMinor · Oct 9, 2026, 06:42 UTC
• Twilio: Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to ThailandMinor · Oct 12, 2026, 11:53 UTC
• Grafana Cloud: Phone call notifications to numbers in Russia and Kazakhstan are blockedMinor · Oct 13, 2026, 09:23 UTC
• Snyk: Snyk Code Performance Degraded in SNYK-US-02Minor · Oct 17, 2026, 01:43 UTC
• Cloudflare: Network Performance Issues in Virginia and Ohio United StatesMinor · Oct 18, 2026, 08:00 UTC
• Notion: Some Notion Agent requests may stop before completionMinor · Oct 18, 2026, 11:54 UTC

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