# Fees

A `Fee` is a charge levied against a `Merchant`. It represents how a platform charges its sellers for all various types of Fees. Payment transactions generate `Fee` resources.


## List Fees

 - [GET /fees](https://docs.finix.com/api/fees/listfees.md): Retrieve a list of Fee resources. As a query parameter, pass the ID of the Transfer or Authorization that generated the Fee.

## Create a Custom Fee

 - [POST /fees](https://docs.finix.com/api/fees/createfee.md): Create a custom (i.e. one-time) Fee.

## Fetch a Fee

 - [GET /fees/{fee_id}](https://docs.finix.com/api/fees/getfee.md): Retrieve the details of a Fee.

## Update Fee

 - [PUT /fees/{fee_id}](https://docs.finix.com/api/fees/updatefee.md): Update the details of a fee.