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Welcome! The Nymi is a wristband that authenticates the identity of the wearer. It uses cardiac rhythm as a biometric identifier, much like a fingerprint. This SDK will allow you to create applications that personalize experiences for your users based on their identity.

The Nymi Communication Library (NCL) allows developers like you to write Nymi-Enabled Applications (NEAs). These are applications that run on Bluetooth-equipped devices such Smartphones, computers, or even cars. At the moment, we support Windows, OS X, iOS, and Android platforms.

You can use the Nymi to identify users, or to capture other signals such as electrocardiogram, motion, and proximity - creating seamless and delightful experiences.

If you have any questions, feel free to send an email to