Hiro incident

Mainnet Stacks Core Outage

Resolved after 9 minutes, affecting Stacks Blockchain API, on June 9, 2026.

investigating Jun 09, 2026, 09:40 PM UTC

We are investigating an issue with the Mainnet Stacks Blockchain Node that began at Jun 9, 2026, 5:40 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.

Started
Jun 09, 2026, 09:40 PM UTC
Resolved
Jun 09, 2026, 09:50 PM UTC
Duration
9m
Detected by Pingoru
Jun 09, 2026, 09:40 PM UTC

Affected components

Stacks Blockchain API

Update timeline

  1. investigating Jun 09, 2026, 09:40 PM UTC

    We are investigating an issue with the Mainnet Stacks Blockchain Node that began at Jun 9, 2026, 5:40 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.

  2. resolved Jun 09, 2026, 09:50 PM UTC

    This incident has been resolved.

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