# What is a Platform Fee

The platform fee is the fee in which we charge customers for the use of our services. Platform fee is denominated in a small percentage (%) and is incurred only at deposits received through your project's [masterwallet and subwallet](https://docs.multichain.info/faq/masterwallet-vs-subwallet).

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Platform fee (`platformFeeFraction`) is also specified in our Merchant API. View the example query :point\_right: "Get Asset Info" by clicking the page link below.
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{% content-ref url="../start/api/private-api" %}
[private-api](https://docs.multichain.info/start/api/private-api)
{% endcontent-ref %}