Reward Kit is still in early alpha, and may contain bugs or unexpected behavior.
The Boost V2 Docs are under active development and will be subject to changes.
You can install @boostxyz/reward-kit-react via NPM

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NPM

npm i @boostxyz/reward-kit-react

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Peer Dependencies

Reward Kit is designed to work with React 18 and 19, and has no other dependencies. 
"react": ">=18.0.0",
"react-dom": ">=18.0.0"

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CSP Configuration for Boost API

If you have a strict CSP policy, you may have to explicitly allow https://api-v2.boost.xyz, and if you’re targeting testnets; https://api-v2-staging.boost.xyz For example, you can configure your headers as follows: 
Content-Security-Policy: connect-src https://api-v2.boost.xyz https://api-v2-staging.boost.xyz/;
// or
Content-Security-Policy: default-src https://api-v2.boost.xyz https://api-v2-staging.boost.xyz/;

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Runtime Requirements

Reward Kit is optimized for modern browsers. It is compatible with the following browser configurations: 
Chrome >= 87
Firefox >= 78
Edge >= 88
Safari >= 14
If you want to support older browsers, you need to transpile the library from node_modules yourselves.