Bulk Messaging API Errors
Sep 28, 21:12 UTCSep 28, 21:12 UTC
Duration
0m
Impact
Informational
Root cause
Not disclosed
Twilio, 90 days
547 incidents
Affected
Mailsend: Comms APITWILIO EMAIL - Mailsend: Comms API
Final update
Our engineers have investigated and resolved an issue with the Bulk Messaging API. From 12:00PM PDT to 12:30PM PDT on Wednesday, 9/16/26, customers may have experienced elevated HTTP 503 status codes and request timeouts when calling Bulk Messaging API endpoints. The issue has been resolved and all impacted services are operating normally.
Timeline
- Resolved · Sep 28, 21:12 UTC
Our engineers have investigated and resolved an issue with the Bulk Messaging API. From 12:00PM PDT to 12:30PM PDT on Wednesday, 9/16/26, customers may have experienced elevated HTTP 503 status codes and request timeouts when calling Bulk Messaging API endpoints. The issue has been resolved and all impacted services are operating normally.
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