# Paymasters If you want to sponsor transactions for your users, we recommend using the [AVNU Starknet Paymaster](https://doc.avnu.fi/starknet-paymaster/introduction). {% hint style="info" %} The AVNU paymaster requires an [Outside Execution ](https://docs.argent.xyz/aa-use-cases/outside-execution)transaction, we will need to enable it in our products. Please reach out to us at {% endhint %} --- # 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.ready.co/aa-use-cases/paymasters.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.