Twilio incident: WhatsApp Embedded Signup Configuration Failures

Affected components

• WhatsApp Messaging

1. resolvedOct 21, 2026, 01:34 UTC

   We have monitored and resolved the issue with WhatsApp embedded signup. All services are now operating normally at this time.

2. monitoringOct 21, 2026, 01:31 UTC

   Our engineers have mitigated the issue and are monitoring system performance. Updated guidance is now available in the self-sign-up flow and documentation to help customers select an existing WhatsApp Business Account by account name or a connected phone number when configuring WhatsApp senders. Customers can continue creating a new WhatsApp Business Account, and adding senders to an existing account should now proceed using the updated instructions. We will provide another update in 2 hours or as soon as more information becomes available.

3. identifiedOct 21, 2026, 00:54 UTC

   We have identified the issue of users being unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. As a workaround, customers may search using the WhatsApp Business Account name or a connected phone number instead. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 4 hours or as soon as more information becomes available.

4. identifiedOct 20, 2026, 22:50 UTC

   We have identified the issue of users being unable to select an existing WhatsApp Business Account during WhatsApp Embedded Signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account, and as a workaround, customers may search by the WhatsApp Business Account name or a connected phone number instead of the account ID. We are updating customer guidance to reflect this experience. We will provide another update in 2 hours or as soon as more information becomes available.

5. identifiedOct 20, 2026, 21:50 UTC

   We have identified the issue of customers being unable to select an existing WhatsApp Business Account during WhatsApp Embedded Signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account, but adding senders to an existing account may continue to be affected. As a workaround, customers may search by their WhatsApp Business Account name or a phone number associated with the account. We will provide another update in 1 hour or as soon as more information becomes available.

6. investigatingOct 20, 2026, 21:48 UTC

   We are investigating an issue with WhatsApp Embedded Signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account, but adding senders to an existing account may be affected. As a workaround, customers may search using the WhatsApp Business Account name or a connected phone number instead of the account ID. We will provide another update in 15 minutes or as soon as more information becomes available.

7. investigatingOct 20, 2026, 21:32 UTC

   We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account and add senders. As a workaround, customers may search for the existing WhatsApp Business Account by account name or by a connected phone number instead of selecting it by account ID. We will provide another update in 15 minutes or as soon as more information becomes available.

8. investigatingOct 20, 2026, 21:17 UTC

   We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account and add senders. As a workaround, customers may enter the existing WhatsApp Business Account name instead of the account ID during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

9. investigatingOct 20, 2026, 20:48 UTC

   We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account and add senders. We will provide another update in 15 minutes or as soon as more information becomes available.

10. investigatingOct 20, 2026, 20:32 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account and add senders. We will provide another update in 15 minutes or as soon as more information becomes available.

11. investigatingOct 20, 2026, 20:16 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account and add senders. We will provide another update in 15 minutes or as soon as more information becomes available.

12. investigatingOct 20, 2026, 20:00 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 1 hr or as soon as more information becomes available.

13. investigatingOct 20, 2026, 19:45 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

14. investigatingOct 20, 2026, 19:28 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

15. investigatingOct 20, 2026, 18:56 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

16. investigatingOct 20, 2026, 18:29 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

17. investigatingOct 20, 2026, 18:09 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

18. investigatingOct 20, 2026, 17:43 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

19. investigatingOct 20, 2026, 17:26 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

20. investigatingOct 20, 2026, 17:10 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. Customers can still create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

21. investigatingOct 20, 2026, 16:47 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. As a workaround, customers may create a new WhatsApp Business Account during signup. We will provide another update in 15 minutes or as soon as more information becomes available.

22. investigatingOct 20, 2026, 16:29 UTC

    We are investigating an issue with WhatsApp embedded signup. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. As a workaround, customers may create a new WhatsApp Business Account and add senders there. We will provide another update in 15 minutes or as soon as more information becomes available.

23. investigatingOct 20, 2026, 15:43 UTC

    We are investigating an issue with WhatsApp Business API sender configuration. Users may be unable to select an existing WhatsApp Business Account during embedded signup when configuring WhatsApp senders. 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 Twilio's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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