●Incident
B3 Developers outage.
OngoingDEGRADATION · HIGHSep 29, 2026, 04:50 AM · 1 day ago · Regions: us-west, us-east, europe, asia
Detected by Probecast
Incident Summary
Incident Summary
API B3 Developers is currently DOWN in us-east.
Diagnostic Details
Error Type: http HTTP Status: 520 Error Message: API returned HTTP 520 Retry Attempts: 1 (all failed)
Validation Results
Validation Reason: DOWN in multiple regions: europe, us-west + us-east Consecutive DOWN Checks: 2 Time Between Checks: 299s
Cross-Region Impact
Also DOWN in: europe, us-west Total Affected Regions: 3
Severity Assessment
Level: HIGH Multiple regions affected or critical error type detected.
Detected by Probecast Health Monitor - 2026-09-29T04:50:17.544Z
Timeline
●Started
Sep 29, 2026, 04:50 AM
1 day ago
●Duration
Ongoing
Evidence Logs6 checks
| Time | Region | Status | Latency | Code |
|---|---|---|---|---|
| Sep 29, 04:50 AM | us-west | down | 747ms | 520 |
| Sep 29, 04:50 AM | us-east | down | 205ms | 520 |
| Sep 29, 04:47 AM | europe | down | 187ms | 520 |
Track B3 reliability
This isn't B3's first incident. They had 18 incidents in the last 180 days, averaging 1241 minutes of impact.