QuickNode incident
Stacks Testnet: Block Height Stalled at 3,959,436
QuickNode experienced a minor incident on April 18, 2026 affecting Testnet — REST API and Testnet — Websockets API, lasting 23h 41m. The incident has been resolved; the full update timeline is below.
Affected components
Testnet — REST APITestnet — Websockets API
Update timeline
- investigating Apr 18, 2026, 10:52 PM UTC
We are currently investigating this issue. Users requesting data beyond this block will experience 503s. The Quicknode team is investigating and will update with more information once it is available.
- resolved Apr 19, 2026, 01:34 AM UTC
This incident has been resolved.