> For the complete documentation index, see [llms.txt](https://pikasso-1.gitbook.io/pikasso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pikasso-1.gitbook.io/pikasso/our-product/sdks-for-nft-project-builders-and-artists/sign-in.md).

# Sign In

Allow existing users to sign in via email or social account or magic link so they can be logged in to Pikasso.