Incidents

Real-time analytics in the dashboard were showing delayed data. Email sending and delivery were unaffected. Analytics backfill completed automatically.

Significant delivery delays affecting the EU hosting region. Emails were queuing properly but experiencing 15-30 minute delivery delays. US region remained unaffected.

The API documentation portal was temporarily inaccessible due to a deployment issue. All email functionality remained operational.

Email template previews were rendering incorrectly in the campaign editor. Actual sent emails were displaying correctly in recipients' inboxes.

Event webhooks were not being delivered to customer endpoints. Email sending continued normally but tracking data was not propagated. Backfill of missed events was completed within 6 hours of resolution.

Complete API unavailability affecting all regions. Email sending and delivery tracking were non-functional. Root cause identified as a cascading failure in the load balancer infrastructure following a routine configuration update.

The statistics and analytics API endpoints experienced elevated latency. Email sending performance was not impacted.

Failed webhook deliveries were experiencing delayed retry attempts. Initial webhook delivery was functioning normally.

The audience segmentation engine experienced severe performance degradation, causing delayed campaign processing. Segments requiring complex conditions were most affected.

SMTP relay services experienced complete failure across EU and US regions. Transactional and marketing emails were queued but not delivered. The incident was traced to a database migration that caused connection pool exhaustion.

The email validation API was responding with higher than normal latency. Validation accuracy remained unaffected.

Inbound email parsing and webhook delivery experienced brief delays. Outbound email delivery continued at normal speed.

Sending throughput in US-East-1 was significantly throttled due to infrastructure constraints. Customers experienced rejection of approximately 30% of API calls during peak period.

The Signals analytics dashboard was loading slowly due to database query optimization issues. Underlying data integrity was not affected.

OAuth and API key authentication systems were non-responsive, preventing all programmatic access to the platform. Campaign sending through the web interface remained partially functional. Recovery required a full system restart.

The visual campaign builder and drag-and-drop email editor were inaccessible. API-based sending continued to function normally. Caused by a CDN configuration error affecting static asset delivery.

Push notifications were experiencing delivery delays of 2-5 minutes. Email delivery was functioning normally.

Bulk contact imports were being rate limited more aggressively than expected. Individual contact creation via API was unaffected.