> For the complete documentation index, see [llms.txt](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment.md).

#  Development Environment 

- [Faucet Guide](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/faucet-guide.md)
- [RPC and related info](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/rpc-and-related-info.md)
- [TESTNET](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/testnet.md)
- [JS SDK](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/js-sdk.md)
- [Python SDK](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/python-sdk.md)
- [Smart contracts basic guide](https://x1ecochain.gitbook.io/x1-ecochain-tech-whitepaper/development-environment/smart-contracts-basic-guide.md)