> For the complete documentation index, see [llms.txt](https://docs.fuelet.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fuelet.app/intergration-guide/intro.md).

# Intro

{% hint style="info" %}
Fuelet (as well as Fuel blockchain) is under active development and the following API is a subject to change. The team would always try to keep all the changes to be backward compatible though.
{% endhint %}

There is an [open-source SDK](https://github.com/FuelLabs/fuels-wallet/tree/master/packages/sdk) ([docs](https://wallet.fuel.network/docs/dev/getting-started/)) developed by the Fuel team designed for making the wallet APIs of all wallets in Fuel ecosystem to be standard. That hugely simplifies the integration of new wallets for web app developers.


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