query

• Provides hooks for fetching, caching, and updating asynchronous data
• Supports multiple frameworks including React, Solid, Svelte, and Vue
• Transport/protocol/backend agnostic (works with REST, GraphQL, promises, etc.)
• Key features:
  • Auto caching + refetching (stale-while-revalidate, window refocus, polling)
  • Parallel + dependent queries
  • Mutations with reactive query refetching
  • Multi-layer cache with automatic garbage collection
  • Pagination + cursor-based queries
  • Infinite scroll with scroll recovery
  • Request cancellation
  • React Suspense support
  • Dedicated devtools
• Part of the larger TanStack ecosystem
• Target audience: Developers needing robust async data management across frontend frameworks
• Documentation available at tanstack.com/query