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 18m. The incident has been resolved; the full update timeline is below.

Started
Jun 15, 2026, 05:27 PM UTC
Resolved
Jun 15, 2026, 05:46 PM UTC
Duration
18m
Detected by Pingoru
Jun 15, 2026, 05:27 PM UTC

Affected components

Stacks Blockchain API

Update timeline

  1. investigating Jun 15, 2026, 05:27 PM UTC

    We are investigating an issue with the Testnet Stacks Blockchain Signer that began at Jun 15, 2026, 1:27 PM ET. We will share more details as additional information becomes available.

  2. resolved Jun 15, 2026, 05:46 PM UTC

    This incident has been resolved.