Hiro incident

Testnet Stacks Signer Outage

Critical Resolved View vendor source →

Hiro experienced a critical incident on June 15, 2026 affecting Stacks Blockchain API, lasting 51m. The incident has been resolved; the full update timeline is below.

Started
Jun 15, 2026, 08:28 AM UTC
Resolved
Jun 15, 2026, 09:20 AM UTC
Duration
51m
Detected by Pingoru
Jun 15, 2026, 08:28 AM UTC

Affected components

Stacks Blockchain API

Update timeline

  1. investigating Jun 15, 2026, 08:28 AM UTC

    We are investigating an issue with the Testnet Stacks Blockchain Signer that began at Jun 15, 2026, 4:28 AM ET. We will share more details as additional information becomes available.

  2. resolved Jun 15, 2026, 09:20 AM UTC

    This incident has been resolved.