> For the complete documentation index, see [llms.txt](/llms.txt).

RIF Relay is a secure sponsored transaction system that enables users to pay the transaction fees using ERC-20 tokens. This enables end users to transact entirely using one asset instead of having to manage a separate asset for gas.

For general information about RIF Relay, including its design, architecture, and specifications, please refer to the table of contents.

- **Starter Kit**: How to use the RIF Relay Sample dApp SDK. [Use the Kit](/developers/integrate/rif-relay/sample-dapp)
- **Guide**: Requirements for installing RIF Relay. [Use the Guide](/developers/integrate/rif-relay/installation-requirements/)