# 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).

{% hint style="success" %}
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.
{% endhint %}

{% content-ref url="/pages/-Mb1t97eZz0xQnGLXxy3" %}
[Merchant API (Private)](/start/api/private-api.md)
{% endcontent-ref %}


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.multichain.info/faq/platform-fee.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.