Hiro incident

Mainnet Stacks Blockchain API Outage

Critical Resolved View vendor source →

Hiro experienced a critical incident on January 31, 2026 affecting Stacks Blockchain API and explorer.hiro.so, lasting 33m. The incident has been resolved; the full update timeline is below.

Started
Jan 31, 2026, 04:06 AM UTC
Resolved
Jan 31, 2026, 04:40 AM UTC
Duration
33m
Detected by Pingoru
Jan 31, 2026, 04:06 AM UTC

Affected components

Stacks Blockchain APIexplorer.hiro.so

Update timeline

  1. investigating Jan 31, 2026, 04:06 AM UTC

    We are investigating an issue with the Mainnet API service that began at Jan 30, 2026, 11:06 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 Jan 31, 2026, 04:40 AM UTC

    This incident has been resolved.