> For the complete documentation index, see [llms.txt](https://tokenlon.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tokenlon.gitbook.io/docs/docs.en/tools-gong-ju/gas-now.md).

# DeFi Tools

### Gas Fee

* [Gas Now](https://www.gasnow.org/)

### Market data

* [CoinGecko](https://www.coingecko.com/zh)