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

# Sign Up & Authentication

- [1. Developer's Sign Up](https://docs.developers.upland.me/upland-developers/sign-up-and-authentication/1.-developers-sign-up.md): This section will answer all questions regarding how to become a third-party developer on Upland.
- [2. Connecting Upland Account](https://docs.developers.upland.me/upland-developers/sign-up-and-authentication/2.-connecting-upland-account.md): At this moment you must connect an Upland Account to your developer account.