> For the complete documentation index, see [llms.txt](https://help.defisaver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.defisaver.com/protocols/spark/what-is-sdai.md).

# What is sDAI?

Savings Dai (sDAI) is a yield bearing stablecoin, representing DAI in the Dai Savings Rate (DSR) module, which distributes revenue from the Maker protocol to DAI holders. It is an ERC-4626 representation (wrapper) of DAI in the DSR.

sDAI allows users to deposit DAI to receive the yield generated by the Maker protocol while still being able to transfer, stake, lend, and use it in any way you want.

“Swapping” between DAI and sDAI does not need to be done via a DEX but can be achieved by depositing and withdrawing from the DSR module.

{% hint style="success" %}
*You can interact with sDAI through our Spark dashboard.*
{% endhint %}

***

## Related Articles:

* [Spark](https://help.defisaver.com/protocols/spark)
* [Dashboard & Use-case (Spark)](https://help.defisaver.com/protocols/spark/dashboard-and-use-case)
* [Dashboard & Use-case (Sky)](https://help.defisaver.com/protocols/makerdao-sky/dashboard-and-use-case-sky)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://help.defisaver.com/protocols/spark/what-is-sdai.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.