> For the complete documentation index, see [llms.txt](https://thirdfi.gitbook.io/thirdfi.org-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer.md).

# ThirdFi Developer

- [Overview](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/overview.md)
- [Swap API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/swap-api.md): Multi-chain token swapping on DEX
- [Invest API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/invest-api.md)
- [Market Weighted Index - MWI](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/invest-api/market-weighted-index-mwi.md)
- [Low-risk Crypto Index - LCI](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/invest-api/low-risk-crypto-index-lci.md)
- [Earn API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/earn-api.md)
- [Pay API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/pay-api.md)
- [Borrow & Lend API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/borrow-and-lend-api.md)
- [Price Oracle](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/price-oracle.md)
- [Price Oracle API](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/price-oracle/price-oracle-api.md)
- [Price Oracle WebSocket](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/price-oracle/price-oracle-websocket.md)
- [Price Oracle Use Case](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/price-oracle/price-oracle-use-case.md)
- [Developer Dashboard](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/developer-dashboard.md)
- [Developer Sandbox](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/developer-sandbox.md)
- [Testnet Faucet](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/testnet-faucet.md)
- [Webhook](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/webhook.md)
- [Use Case](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/use-case.md)
- [DeFi Alert](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/use-case/defi-alert.md)
- [Price Alert Chrome Extension](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/use-case/price-alert-chrome-extension.md)
- [FAQ](https://thirdfi.gitbook.io/thirdfi.org-1/product/thirdfi-developer/faq.md)