Hiro incident

Mainnet Stacks Blockchain API Outage

Critical Ongoing View vendor source →

Hiro is currently experiencing a critical incident affecting Stacks Blockchain API and explorer.hiro.so, which began 7h ago. The vendor's full update timeline is below.

Started
Jun 20, 2026, 04:04 AM UTC
Resolved
Ongoing
Duration
● 6h 46m
Detected by Pingoru
Jun 20, 2026, 04:04 AM UTC

Affected components

Stacks Blockchain APIexplorer.hiro.so

Update timeline

  1. investigating Jun 20, 2026, 04:04 AM UTC

    We are investigating an issue with the Mainnet API service that began at Jun 20, 2026, 12:02 AM ET. Data retrieved from this API’s endpoints may be several blocks behind. The Stacks Explorer, wallets, and any services using the API may be impacted. We will share more details as additional information becomes available.