Hiro experienced a critical incident on January 21, 2026 affecting Stacks Blockchain API, lasting 7h 32m. The incident has been resolved; the full update timeline is below.
Affected components
Stacks Blockchain API
Update timeline
- investigating Jan 21, 2026, 08:42 PM UTC
We are investigating an issue with the Mainnet Stacks Blockchain Node that began at Jan 21, 2026, 3:42 PM ET. Data retrieved from this API’s endpoints may be several blocks behind. The Stacks Explorer, wallets, and any services using the Testnet API may be impacted. We will share more details as additional information becomes available.
- resolved Jan 22, 2026, 04:14 AM UTC
This incident has been resolved.