Hiro incident

Mainnet Stacks Core Outage

Critical Resolved View vendor source →

Hiro experienced a critical incident on May 15, 2026 affecting Stacks Blockchain API, lasting 14m. The incident has been resolved; the full update timeline is below.

Started
May 15, 2026, 07:31 PM UTC
Resolved
May 15, 2026, 07:45 PM UTC
Duration
14m
Detected by Pingoru
May 15, 2026, 07:31 PM UTC

Affected components

Stacks Blockchain API

Update timeline

  1. investigating May 15, 2026, 07:31 PM UTC

    We are investigating an issue with the Mainnet Stacks Blockchain Node that began at May 15, 2026, 3:31 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 May 15, 2026, 08:57 PM UTC

    This incident has been resolved.