SMS Delivery Failures to Multiple Small US Carriers in United States
We are no longer experiencing SMS delivery failures to multiple small US carriers in United States. This incident has been resolved.
Incident History
SMS Delivery Failures to Viva Cell MTS in Armenia Via Subset of Registered SenderIDs
We are no longer experiencing SMS delivery delays when sending messages to Viva Cell MTS in Armenia via subset of registered Sender IDs. This incident has been resolved.
SMS Delivery Delay To Zain Network In Iraq
We are no longer experiencing SMS delivery delays when sending messages to Zain Network in Iraq. This incident has been resolved.
SMS Delivery Delays to MTN Network in Rwanda
We are no longer experiencing SMS delivery delays when sending messages to MTN Network in Rwanda. This incident has been resolved.
Calls Endpoint Returning HTTP 500s For Completed Calls
We are no longer observing increased HTTP 500s on the Calls API. This incident is resolved.
SMS Delivery Delays to Multiple Networks in France via Alphanumeric Sender IDs
We are no longer experiencing SMS delivery delays to networks in France via Alphanumeric Sender IDs. This incident is resolved.
404 Errors on the Messaging Logs API
Between 4:43 PM and 5:10 PM UTC on 06/30/2025, customers may have encountered 404 errors when querying the messaging logs API for recently sent messages. The issue has since been resolved.
Delay in WhatsApp Inbound and Outbound Messages
We are no longer experiencing delays with WhatsApp outbound and inbound messages. This incident is resolved.
Automated Alert: No Customer Impact: On-Call Engineers are Investigating an issue with DynamoDB Throttling Requests - Conversations
We have fully investigated the DynamoDB throttling requests issue triggered by our automated alert, and it was determined that there is no noticeable customer impact. All systems are operational.
Outbound Call Failures to Romania Destinations (SIP Errors 480 and 500)
We are no longer observing call failures to Twilio Romania Destinations. This incident is resolved.