unleash.unleash/frontend/src/component/onboarding/snippets/nodejs.md

1. Install the SDK

npm install unleash-client

2. Initialize Unleash

const { initialize } = require('unleash-client');

const unleash = initialize({
  url: '<YOUR_API_URL>',
  appName: 'unleash-onboarding-node',
  customHeaders: { Authorization: '<YOUR_API_TOKEN>' },
  metricsInterval: 5000,
});

3. Check feature flag status

setInterval(() => {
  console.log('Is enabled', unleash.isEnabled('<YOUR_FLAG>'));
}, 1000);

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const { UnleashClient } = require('unleash-proxy-client');

const unleash = new UnleashClient({
  url: '<YOUR_API_URL>',
  appName: 'unleash-onboarding-node',
  customHeaders: { Authorization: process.env.UNLEASH_API_KEY  },
});

unleash.start();

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• SDK repository with documentation
• Node.js SDK example with CodeSandbox
• Node.js SDK tutorial