TypeScript API Client

Centralized API client with typed namespaces, automatic token refresh, and TanStack Query integration.

When to Use This Skill

• Building frontend applications that call backend APIs
• Need type safety on requests and responses
• Want automatic token refresh without duplicated logic
• Using TanStack Query for caching and state management

Core Concepts

The pattern provides:

• Typed namespaces (auth, users, billing, etc.)
• Automatic token refresh with request deduplication
• TanStack Query integration for caching
• Consistent error handling with custom error class