Fingerprint, from Litmus

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Contact us

Hello! Have any questions? Here's how to get in touch with us.

By email

Email is the best way to reach us. We're spread across different time zones, so can usually answer urgent emails within a couple of hours: hello@fingerprintapp.com.

By post

If for some reason you need to send us a letter, mail it to:

Salted Services, Inc.
One Broadway, 14th Floor
Cambridge
MA 02142
U.S.A.