> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# eIDAS

> **Themelio compatibility reference.** This page describes the retained Themelio implementation or its historical design. Check the [parallel-operation guide](/compatibility/index.md) before applying it to the current platform.

eIDAS (electronic IDentification, Authentication and trust Services) is a European Union regulation for electronic identification and trust services. In Themelio, eIDAS enables citizen users to authenticate using their national electronic identity (the "Citizen" login path).

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<a href="/source/docs/content/terms/eidas.md.txt">Source snapshot</a> · Revision `f928834c8`.

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