Hiro incident

Mainnet Stacks Blockchain API Errors

Major Resolved View vendor source →

Hiro experienced a major incident on December 22, 2025 affecting Stacks Blockchain API and explorer.hiro.so, lasting 1h 7m. The incident has been resolved; the full update timeline is below.

Started
Dec 22, 2025, 04:45 AM UTC
Resolved
Dec 22, 2025, 05:53 AM UTC
Duration
1h 7m
Detected by Pingoru
Dec 22, 2025, 04:45 AM UTC

Affected components

Stacks Blockchain APIexplorer.hiro.so

Update timeline

  1. investigating Dec 22, 2025, 04:45 AM UTC

    We are investigating an issue with the Mainnet API service that began at Dec 21, 2025, 11:45 PM 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.

  2. resolved Dec 22, 2025, 05:53 AM UTC

    This incident has been resolved.