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

# 📙 Developer Guide

This section offers **practical guidance** for developers to integrate QIE Oracle into smart contracts, fetch live asset prices, handle errors, and follow best practices for building **secure and reliable** applications.