> For the complete documentation index, see [llms.txt](https://stargateprotocol.gitbook.io/stargate/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://stargateprotocol.gitbook.io/stargate/interfaces.md).

# Interfaces

- [EVM (Solidity) Interfaces](https://stargateprotocol.gitbook.io/stargate/interfaces/evm-solidity-interfaces.md)
- [IStargateRouter.sol](https://stargateprotocol.gitbook.io/stargate/interfaces/evm-solidity-interfaces/istargaterouter.sol.md): The primary interface to interact with Stargate.
- [IStargateReceiver.sol](https://stargateprotocol.gitbook.io/stargate/interfaces/evm-solidity-interfaces/istargatereceiver.sol.md): A contract that implements sgReceive() can perform powerful logic on the receiving chain.