# Fees Use fees to reconcile transactions with applicable fees and discount rates. Fees are not applied directly to transaction amounts, they do not modify the transaction amount. Fees help to describe each part of the transaction amount. > **Important:** These operations are experimental and may change. ## Retrieve fee entries - [GET /fees](https://www.rebilly.com/docs/dev-docs/api/fees/getfeecollection.md): Retrieves a list of fee entries. > This operation is experimental and may not be backward compatible. ## Create a fee entry - [POST /fees](https://www.rebilly.com/docs/dev-docs/api/fees/postfee.md): Creates a fee entry. > This operation is experimental and may not be backward compatible. ## Retrieve a fee entry - [GET /fees/{id}](https://www.rebilly.com/docs/dev-docs/api/fees/getfee.md): Retrieves a fee entry. > This operation is experimental and may not be backward compatible. ## Upsert a fee entry - [PUT /fees/{id}](https://www.rebilly.com/docs/dev-docs/api/fees/putfee.md): Creates or updates (upserts) a fee entry. > This operation is experimental and may not be backward compatible. ## Patch a fee entry - [PATCH /fees/{id}](https://www.rebilly.com/docs/dev-docs/api/fees/patchfee.md): Patches a fee entry. > This operation is experimental and may not be backward compatible. ## Delete a fee entry - [DELETE /fees/{id}](https://www.rebilly.com/docs/dev-docs/api/fees/deletefee.md): Deletes a fee entry. > This operation is experimental and may not be backward compatible.