Hiro incident

Testnet Stacks Core Errors

Critical Resolved View vendor source →

Hiro experienced a critical incident on June 15, 2026 affecting Stacks Blockchain API, lasting 30m. The incident has been resolved; the full update timeline is below.

Started
Jun 15, 2026, 08:49 AM UTC
Resolved
Jun 15, 2026, 09:20 AM UTC
Duration
30m
Detected by Pingoru
Jun 15, 2026, 08:49 AM UTC

Affected components

Stacks Blockchain API

Update timeline

  1. investigating Jun 15, 2026, 08:49 AM UTC

    We are investigating an issue with the Testnet Stacks Blockchain Seed Node that began at Jun 15, 2026, 4:49 AM 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 15, 2026, 09:20 AM UTC

    This incident has been resolved.