> For the complete documentation index, see [llms.txt](https://docs.safeswap.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.safeswap.io/builders/api-integration-guide/prerequisites.md).

# Prerequisites

1. The ability to interact with smart contracts on all the chains you wish to support (Vechain, Ethereum, Polygon, etc.)
2. The ability to make API requests to our SafeSwap API. An API Key will be required, contact us to acquire one.&#x20;
