> For the complete documentation index, see [llms.txt](https://docs.vulpefi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces.md).

# Interfaces

- [IDaiLikePermit](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces/idailikepermit.md)
- [IWithdrawable](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces/iwithdrawable.md)
- [Interaction](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces/interaction.md)
- [PostInteraction](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces/postinteraction.md)
- [PreInteraction](https://docs.vulpefi.com/aggregation-protocol/limit-order-protocol/smart-contracts/interfaces/preinteraction.md)