Frequently asked questions
Getting an account, passwords, passkeys and how your data is used.
Updated 6 November 2026
How do I get a Merisaukko ID? #
For now, by invitation only. Ask for one at [email protected]. The invitation link is valid for 7 days.
Do I need separate accounts for each service? #
No. Your Merisaukko ID signs you in to every Merisaukko service, and two-step verification and passkeys work in all of them.
What is a passkey, and should I use one? #
A passkey signs you in with your fingerprint, face or device PIN without a password. It's the safest option because it can't be phished. See Two-step verification and passkeys.
Did someone else get my password? #
Check your account's activity. If you see a sign-in you don't recognise, change your password: that signs out every other device. Then turn on two-step verification.
Will Merisaukko ever ask for my password? #
Never by email, phone or message. Only enter your password at id.merisaukko.fi.
What do services receive about me? #
A permanent identifier, your email address, display name, username and language. See What is a Merisaukko ID?
How do I delete my data? #
From one service or your whole Merisaukko ID; see Deleting data and privacy.