Hiro experienced a major incident on December 4, 2025 affecting Stacks Blockchain API and explorer.hiro.so, lasting 28m. The incident has been resolved; the full update timeline is below.
Affected components
Stacks Blockchain APIexplorer.hiro.so
Update timeline
- investigating Dec 04, 2025, 09:56 PM UTC
We are investigating an issue with the Mainnet API service that began at Dec 4, 2025, 4:56 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.
- resolved Dec 04, 2025, 10:25 PM UTC
This incident has been resolved.