SendGrid - API Authentication Issues

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.

Engineers have taken action to mitigate the customer impact, and SendGrid continue monitoring the health of their system. We will provide another update in the next 8 hours.

Engineers have taken actions to prevent authentication timeouts and are monitoring system performance. We will provide another update in 2 hours or as soon as more information becomes available.

Engineers are still investigating the issue, but actions have been taken. Impact to customers has been mitigated as of 4:21 PM GMT. We will provide another update in two hours or as soon as more information becomes available.

We are continuing to investigate this issue.

Starting around 3 PM GMT on March 6, 2025, engineers began investigating an issue with sporadic API authentication errors in SendGrid. Users may see 5xx errors/timeouts during the authentication stage of their API calls. As such, the situation might impact mail send. We will provide another update in 30 minutes or as soon as more information becomes available

We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.