About PlainKey

The story behind PlainKey and who built it.

Author: PlainKey•

PlainKey started with a realisation in the spring of 2025. Adding passkeys to a web app means either using precious time building your own WebAuthn integration, or signing up for an enterprise auth platform. Those platforms often treat passkeys as one feature among dozens, and they can be costly. That is overkill when passkeys are all you need.

PlainKey also exists because Europe should have its own answers to tech infrastructure, and not wholly depend on US platforms. PlainKey is built in Norway and runs on servers in Germany, at Hetzner Online GmbH. Your users' data stays in the EU/EEA.

For these reasons, we don't do enterprise features or pricing, and we are European-focused to the core. User data is never sold to third parties, and PlainKey will not add features that route authentication through platforms whose business depends on doing that.

While we have some ideas on how to expand beyond passkeys, for now passkeys are the focus. Whatever comes next will follow the same philosophy.


Who is behind PlainKey?

PlainKey is built by Espen Steen, a software developer based in Oslo, Norway.

Espen has 12+ years of experience as a CRM developer and consultant, having worked closely with some of Norway's largest and most well-known companies.

PlainKey AS is a publicly registered Norwegian limited company.


Read the getting started guide or learn more about how PlainKey works.