AccSec US T-Mobile API Issue

Incident Report for Twilio

Resolved

The issue affecting i T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN has been resolved, and the service is functioning normally at this time.

Posted Feb 02, 2026 - 13:06 PST

Monitoring

We are observing recovery in the issue with T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 02, 2026 - 11:32 PST

Update

We continue experiencing an issue with the T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN. Our engineering team is actively working to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

Posted Feb 02, 2026 - 09:23 PST

Update

We are experiencing an issue with the T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN. Our engineering team is actively working to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

Posted Feb 02, 2026 - 05:23 PST

Update

We are experiencing an issue with the T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN. Our engineering team is actively working to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 02, 2026 - 03:50 PST

Investigating

We are experiencing an issue with the T-Mobile US API, impacting Account Security Services, causing errors—Invalid MSISDN / No Data Found For Provided MSISDN. Our engineering team is actively working to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 02, 2026 - 02:51 PST

This incident affected: ACCOUNT SECURITY (Verify).