> For the complete documentation index, see [llms.txt](https://docs.cotter.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cotter.app/sdk-reference/web/web-sdk-verify-email-phone/older-sdk.md).

# Older SDK

If you're looking for an older version of the documentation, you can find it in the sub pages of this section.