# Installation ## Requirements * Unity 2022 and above * Android version 23 and above * iOS all versions ## Natively embedded wallets ### Install the Unity SDK Download and install the latest package from ## Get an API key for gasless transactions An API key is required to use the infrastructure to power gasless transactions. Visit to generate both Amoy and Mainnet Polygon API keys. --- # 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.rallyprotocol.com/unity/getting-started/installation.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.