> For the complete documentation index, see [llms.txt](https://docs.emsigner.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emsigner.com/apis/api-reference/reference-data-and-utilities.md).

# Reference Data & Utilities

Lookup lists (countries, states, languages, time zones), region URLs and localized resources.

Lookup lists (countries, states, languages, time zones), region URLs and localized resources.