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SMS Delivery Failures from Twilio to Multiple Networks in China

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Timeline

Incident updates

Every update SendGrid posted, oldest to newest, exactly as it appeared on their official status page.

  1. Investigating

    Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in China. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. Identified

    Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in China. 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.

  3. Resolved

    We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

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