Twilio incident
Issues when utilizing WhatsApp Sandbox to Send Messages
Twilio experienced a minor incident on July 7, 2026 affecting WhatsApp Messaging, lasting 2h 29m. The incident has been resolved; the full update timeline is below.
Affected components
WhatsApp Messaging
Update timeline
- investigating Jul 07, 2026, 05:02 PM UTC
Customers may be unable to send messages from Twilio's WhatsApp sandbox. Engineers are investigating the issue.
- investigating Jul 07, 2026, 06:26 PM UTC
We are continuing to investigate this issue.
- monitoring Jul 07, 2026, 06:59 PM UTC
Engineers identified and fixed the issue that was causing customers to be unable to send messages from Twilio's WhatsApp sandbox. Customers can now send messages via the Twilio sandbox as normal.
- resolved Jul 07, 2026, 07:31 PM UTC
The issue impacting message send has been resolved and Twilio WhatsApp Sandbox is operating normally at this time.