Data Fetching & API Clients

TanStack Query

TanStack/query

Popular

Async server-state manager with caching, deduping, retries and background refetching for any framework.

Axios

axios/axios

Popular

Promise-based HTTP client with interceptors and broad browser/Node support; still the most downloaded.

SWR

vercel/swr

Vercel's lightweight React hooks for stale-while-revalidate data fetching.

Apollo Client

apollographql/apollo-client

Popular

Full-featured GraphQL client with a normalized cache and React integration.

tRPC

trpc/trpc

End-to-end type-safe APIs for TypeScript monorepos without schemas or code generation.

RTK Query

redux-toolkit.js.org

Data fetching and caching layer built into Redux Toolkit, with generated hooks per endpoint.

ky

sindresorhus/ky

Tiny, elegant HTTP client built on the Fetch API with retries, hooks and JSON helpers.

ofetch

unjs/ofetch

Better fetch from UnJS with smart JSON parsing, retries and interceptors; used by Nuxt.

TanStack DB

TanStack/db

Trending (detected automatically)New

Reactive client-side database with live queries and optimistic mutations, layered on TanStack Query or sync engines.

Hey API

hey-api/hey-api

Rising

OpenAPI code generator producing typed SDKs, Zod schemas and TanStack Query hooks.

Relay

meta/relay

Meta's performance-focused GraphQL client with compiler-driven data colocation for React.

urql

urql-graphql/urql

Lightweight, extensible GraphQL client with exchanges and optional normalized caching.