Hiro incident

Testnet Stacks Blockchain API Errors

Major Ongoing View vendor source →

Hiro is currently experiencing a major incident affecting Stacks Blockchain API and explorer.hiro.so, which began 2h ago. The vendor's full update timeline is below.

Started
Jun 15, 2026, 09:57 AM UTC
Resolved
Ongoing
Duration
● 1h 43m
Detected by Pingoru
Jun 15, 2026, 09:57 AM UTC

Affected components

Stacks Blockchain APIexplorer.hiro.so

Update timeline

  1. investigating Jun 15, 2026, 09:57 AM UTC

    We are investigating an issue with the Testnet API service that began at Jun 15, 2026, 5:57 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.