# Issue impacting US clusters

- Provider: [Braze](https://down.guide/braze)
- Level: confirmed
- Impact: Degraded
- lasted 49m
- started 2025-08-21 19:15 UTC
- Dashboard, Dashboard, Dashboard +18
- us
- id: DWN-765bf432a0
- Official page: https://stspg.io/5wwvhtrbdkj8

## Updates from Braze
### 2025-08-21 19:15 UTC: investigating
Braze Engineers are currently investigating increased latency in the REST APIs.

### 2025-08-21 19:16 UTC: investigating
We are continuing to investigate this issue.

### 2025-08-21 19:23 UTC: investigating
Braze Engineers continue to investigate increased latency in the REST APIs and SDK Data Collection across all US clusters.

### 2025-08-21 19:50 UTC: monitoring
Braze REST and SDK services in the US were affected by a Cloudflare incident, for which Cloudflare has recently implemented a fix: 
https://www.cloudflarestatus.com/incidents/d9n3g1vnxdd2. We can confirm resolution and are no longer seeing latency issues.
Customers may have experienced increased latency when making API calls. Error rates for these API services remained low despite the increased latency, with less than 0.02% failing due to a timeout.
As our documented best practices note, customers should retry REST API calls that returned a 50x error code. 
Our SDK API will automatically retry and process all events; no events were lost. 
We will continue monitoring the situation and provide an update in 30 minutes.

### 2025-08-21 19:54 UTC: monitoring
We are continuing to monitor for any further issues.

### 2025-08-21 20:05 UTC: resolved
Braze Engineers have confirmed US clusters are operating within normal operational bounds. Engineers will continue to monitor service health across all US clusters. This incident has been resolved.

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