# Product Guides - [What is True Fee?](https://coindisco.gitbook.io/coindisco/product-guides/what-is-true-fee.md): True Fees reveal the real cost of crypto purchases by comparing live market rates against provider quotes. This empowers users to spot hidden charges and choose the best offers available. - [Indirect (Smart Contract) Purchases](https://coindisco.gitbook.io/coindisco/product-guides/indirect-smart-contract-purchases.md): Learn how Coindisco enables users to buy any crypto token — even rare ones — through a smart two-step process. - [Customize the Widget](https://coindisco.gitbook.io/coindisco/product-guides/customize-the-widget.md) --- # 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://coindisco.gitbook.io/coindisco/product-guides.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.