> For the complete documentation index, see [llms.txt](https://docs.renfter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.renfter.com/developers/integration/smart-contracts/functionality-specific-details.md).

# Functionality-specific details

- [Token rental status check](https://docs.renfter.com/developers/integration/smart-contracts/functionality-specific-details/token-rental-status-check.md)
- [Token offed for rent check](https://docs.renfter.com/developers/integration/smart-contracts/functionality-specific-details/token-offed-for-rent-check.md)
- [Method whitelisting](https://docs.renfter.com/developers/integration/smart-contracts/functionality-specific-details/method-whitelisting.md)
- [Original NFT method call](https://docs.renfter.com/developers/integration/smart-contracts/functionality-specific-details/original-nft-method-call.md)