# Expo Data Fetching

Use when implementing or debugging ANY network request, API call, or data fetching.

- Repository: https://github.com/expo/skills (4005 stars)
- Category: Testing
- License: MIT
- Last updated: 2026-11-01
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add expo/skills --skill expo-data-fetching -g -a claude-code -y`
Codex: `npx skills add expo/skills --skill expo-data-fetching -g -a codex -y`
Cursor: `npx skills add expo/skills --skill expo-data-fetching -g -a cursor -y`
Gemini CLI: `npx skills add expo/skills --skill expo-data-fetching -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add expo/skills`

## Description

Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, React Query, SWR, error handling, caching, offline support, loading/empty/error screen states, and Expo Router data loaders (`useLoaderData`).

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Expo Networking

**You MUST use this skill for ANY networking work including API requests, data fetching, caching, or network debugging.**

## References

Consult these resources as needed:

```
references/
  expo-router-loaders.md        Route-level data loading with Expo Router loaders (web, SDK 55+)
  offline-and-cancellation.md   NetInfo network status, offline-first React Query, AbortController
```

## When to Use

Use this skill when:

- Implementing API requests
- Setting up data fetching (React Query, SWR)
- Using Expo Router data loaders (`useLoaderData`, web SDK 55+)
- Debugging network failures
- Implementing caching strategies
- Handling offline scenarios
- Authentication/token management
- Configuring API URLs and environment variables

## Preferences

- Avoid axios, prefer expo/fetch

## Every Screen Has Four States

Design **loading**, **error**, **empty**, and **content** for screens that load data. These can overlap: a refresh error should coexist with cached content.

The rest: https://github.com/expo/skills/blob/HEAD/plugins/expo/skills/expo-data-fetching/SKILL.md