> For the complete documentation index, see [llms.txt](https://docs.papaya.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.papaya.finance/protocol/advanced-features.md).

# Advanced Features

- [BySig Operations](https://docs.papaya.finance/protocol/advanced-features/bysig-operations.md): This section covers the BySig functionality for gasless operations using signatures.
- [Sponsored Calls](https://docs.papaya.finance/protocol/advanced-features/sponsored-calls.md): This section covers the sponsored call functionality for gasless transactions.
- [Permit Operations](https://docs.papaya.finance/protocol/advanced-features/permit-operations.md): This section covers the permit functionality for gasless token approvals.
- [Multicall](https://docs.papaya.finance/protocol/advanced-features/multicall.md): This section covers the multicall functionality for executing multiple operations in a single transaction.