Hiro incident

Mainnet API Block Progression Stalled

Major Resolved View vendor source →

Hiro experienced a major incident on December 25, 2025 affecting Stacks Blockchain API and explorer.hiro.so, lasting 22h 48m. The incident has been resolved; the full update timeline is below.

Started
Dec 25, 2025, 05:44 PM UTC
Resolved
Dec 26, 2025, 04:32 PM UTC
Duration
22h 48m
Detected by Pingoru
Dec 25, 2025, 05:44 PM UTC

Affected components

Stacks Blockchain APIexplorer.hiro.so

Update timeline

  1. investigating Dec 25, 2025, 05:44 PM UTC

    We're investigating a stall in block progression for the Mainnet Stacks Blockchain API.

  2. monitoring Dec 25, 2025, 06:31 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Dec 26, 2025, 04:32 PM UTC

    This incident has been resolved.