SendGrid incident: Elevated Rate of Http 503s When Sending Messages Using the Programmable Messaging Api

1. resolvedAug 17, 2026, 22:07 UTC

   Between 13:25 PST and 13:27 PST, customers may have received an elevated rate of HTTP 503s when sending messages via the Programmable Messaging API. The issue has been resolved.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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SendGrid reported 356 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 17m. See SendGrid's uptime and incident history