> For the complete documentation index, see [llms.txt](https://eigenphi-1.gitbook.io/eigenapi-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eigenphi-1.gitbook.io/eigenapi-user-guide/membership/sign-in-to-eigenapi.md).

# Sign in to EigenAPI

At EigenAPI, You can use `Google OAuth Login` to login to our system. Rest assured that we only store your UID, which is provided by Google, and no other personal information will be stored.

Once you have successfully logged in to your account, you will be able to manage your API key in our product.