# Integration

{% hint style="info" %}
Email `help@usewinter.com` for your API key!
{% endhint %}

Install [Winter's checkout package](https://www.npmjs.com/package/@usewinter/checkout)

```
npm i @usewinter/checkout

OR 

yarn add @usewinter/checkout
```

Use the component in your React app

```
import { WinterCheckout } from '@usewinter/checkout';

<WinterCheckout 
    projectId={YOUR_PROJECT_ID} 
    production={false} 
    showModal={showWinter} 
    // pass in a function to be called when a successful purchase happens
    onSuccess={() => setParty(true)}
    // pass in a function to be called when the modal is closed
    onClose={() => setShowWinter(false)}
    // Replace with your desired crypto token payment method
    // e.g. 'ETH' or 'SOL' or 'MATIC'
    paymentMethod={'ETH'}
    // This will be the domain of the marketplace you want to pull the orders from
    orderSource={'opensea.io'}
    // This will be the domain of the marketplace you want the order to be fulfilled on
    fillSource={'opensea.io'}
/>
```


---

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```
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```

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