# Exchanges

## User scenario

`Centralized Exchange`/`Decentralized Exchange`

## User flow

<figure><img src="/files/iPRPixSvHLqCMe0JO5rL" alt=""><figcaption><p>User flow for the exchanges</p></figcaption></figure>

## Sequence chart

<figure><img src="/files/gFq70Uc1MzRXbUmAfwlN" alt=""><figcaption><p>Sequence chart for the exchanges</p></figcaption></figure>

## Onboarding

1. Make sure the necessary FaTPay capabilities based on the user flow \[[Onboarding](/get-started/onboarding.md#partner-types)];
2. Choose the partner type and apply the corresponding partner \[[Onboarding](/get-started/onboarding.md#onboarding-process)];
3. Integrate accordingly \[[Reference](/reference/integration-tutorial.md)];

## Integration

{% hint style="success" %}
All the following processes are optional and can be combined according to the user flow. It takes 4 days tops to integrate.
{% endhint %}

<table><thead><tr><th width="371.58064516129036">User flow</th><th width="218">Reference</th></tr></thead><tbody><tr><td>Add entry to FaTPay widget</td><td>N/A</td></tr><tr><td><p>Redirect to FaTPay transaction flow:</p><ul><li>Set specific cryptocurrency;</li><li>Set specific fiat currency and amount;</li><li>Set default wallet address;</li><li>Set default email address;</li></ul><p><em><mark style="color:blue;">In case you want to hide or fix the wallet address, please apply for Premium Parter.</mark></em> </p></td><td><a data-mention href="/pages/0GumJFBafX2MD82057sS">/pages/0GumJFBafX2MD82057sS</a></td></tr><tr><td><p>Customize FaTPay widget interface:</p><ul><li>Choose interface theme;</li><li>Set light/dark mode;</li></ul></td><td><a data-mention href="/pages/yq4L9luWqzJisyfQAR7U">/pages/yq4L9luWqzJisyfQAR7U</a></td></tr><tr><td><p>FaTPay order details page:</p><ul><li>Jump to the Exchange's apps/websites;</li></ul></td><td><a data-mention href="/pages/yq4L9luWqzJisyfQAR7U">/pages/yq4L9luWqzJisyfQAR7U</a></td></tr><tr><td><p>FaTPay API calls:</p><ul><li>Able to call FaTPay APIs to fine tune the user flow;</li></ul><p><em><mark style="color:blue;">Please apply for the Premium Parter.</mark></em> </p></td><td><a data-mention href="/pages/oou5rXzBs4CmfPwWSamL">/pages/oou5rXzBs4CmfPwWSamL</a></td></tr></tbody></table>


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