Introduction

ZStack API Router provides a unified entry point for large model invocation, route control, quota management, audit tracing, and usage statistics. This guide describes how to upgrade an existing ZStack API Router environment, including preparation, backup, database migration, application upgrade, Console UI upgrade, verification, and rollback.

This guide applies to administrators and operations and maintenance engineers who already run ZStack API Router in a test, single-node, production, or grayscale environment.

Product Version

This document applies to ZStack API Router V1.0 and later compatible versions. If the upgrade package, release notes, or delivery notice states additional version constraints, follow the delivery notice first.

Intended Audience

This guide is intended for:

• Platform administrators responsible for gateway upgrades.
• Operations and maintenance engineers responsible for database backup, service restart, and traffic switching.
• Security administrators responsible for confirming credential, audit, and permission policies after upgrade.
• Project delivery engineers responsible for executing customer-site upgrade plans.