# 💱 rate Transit Swap has launched the aggregate transaction fee discount function which gives discounts with the rate corresponding to the sum of the TPT and xTPT held by the user's account address. The current discount is divided into 4 tiers, and in the future, more tiers will be applied according to the actual situation. ![](/files/6Ov0L9Mpi98jlfAEoZcT) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.transit.finance/transit-dao/rate.md?ask= ``` 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.