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

# For Developers

- [Overview](https://helios-finance.gitbook.io/helios-finance/for-developers/overview.md)
- [Interest Rate Model](https://helios-finance.gitbook.io/helios-finance/for-developers/interest-rate-model.md)
- [Supply & Borrow Interest](https://helios-finance.gitbook.io/helios-finance/for-developers/supply-and-borrow-interest.md)
- [Functions](https://helios-finance.gitbook.io/helios-finance/for-developers/functions.md)
- [Common Functions](https://helios-finance.gitbook.io/helios-finance/for-developers/functions/common-functions.md)
- [Supply & Withdraw](https://helios-finance.gitbook.io/helios-finance/for-developers/functions/supply-and-withdraw.md)
- [Borrow & Repay & Liquidate](https://helios-finance.gitbook.io/helios-finance/for-developers/functions/borrow-and-repay-and-liquidate.md)
- [Flashloan](https://helios-finance.gitbook.io/helios-finance/for-developers/functions/flashloan.md)
- [SDK Release Plan](https://helios-finance.gitbook.io/helios-finance/for-developers/sdk-release-plan.md): \*subject to change without notice
- [Smart Contract Interface via MIDL (EVM on Bitcoin)](https://helios-finance.gitbook.io/helios-finance/for-developers/smart-contract-interface-via-midl-evm-on-bitcoin.md)
- [Transaction Fees](https://helios-finance.gitbook.io/helios-finance/for-developers/transaction-fees.md)