[Standard] [Mainnet | Testnet] Stacks API Upgrade to v8.15.3

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.
Posted Apr 30, 2026 - 15:19 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Apr 30, 2026 - 07:30 UTC

Scheduled

We are upgrading our Stacks Blockchain API to v8.15.3. During the maintenance window, brief interruptions to API availability may occur. This release patches a critical security vulnerability in a dependency and has no user-facing API changes.

https://github.com/hirosystems/stacks-blockchain-api/releases/tag/v8.15.3
Posted Apr 23, 2026 - 14:58 UTC
This scheduled maintenance affected: Stacks (Mainnet — REST API, Mainnet — Websockets API, Testnet — REST API, Testnet — Websockets API).