Why Does My React Native `fetch()` Network Request Fail?

Causes and solutions for "React Native 'fetch()' Network Request Failure:"

Using the fetch() API in a React Native project You may receive a "Network Request Failed" error when making a network request using . >

fetch('http://facebook.github.io/react-native/movies.json')
      .then((response) => response.json())
      .then((responseJson) => {
        return responseJson.movies;
      })
      .catch((error) => {
        console.error(error);
      });

To resolve, use [info.plist](https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html#//apple_ref/ doc/uid/TP40009251-SW8) to allow HTTP requests.

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