> For the complete documentation index, see [llms.txt](https://docs.pdap.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pdap.io/features/sign-up-sign-in.md).

# Sign Up / Sign In

In 2025, we released the User Accounts feature, allowing anyone to create a free account and log in. Click the User Icon in the navigation menu of <https://pdap.io> to sign up or sign in.

## Benefits of user accounts

* [Follow searches](/features/follow-a-search.md) to get notified when new data is added
* Make Requests to get help finding data or with a larger research project
* Submit new Data Sources to our database, making it better for everyone
* Participate in [Data Labeling](/activities/data-source-annotation.md), another way of adding sources to the database.