Wearable identity and authentication startup Bionym released software development kit documentation and an online forum to get developers coding apps for its forthcoming wristband, called Nymi, on Monday.

Nymi is designed to eliminate the need for a user to enter in a username and password when accessing services like mobile wallets or banking apps. The wristband measures a person’s electrocardiogram (ECG) to authenticate the user to devices or apps for a range of functions that could include unlocking payments methods, mobile banking apps and car doors. Nymi, which comes with an embedded ECG sensor, motion sensor and Bluetooth low-energy radio, keeps the user authenticated until he takes off the device.

Bionym said it plans to host hackathons and meet-ups for developers. Bionym unveiled Nymi in September and plans to ship the devices in spring 2014. The wristbands cost less than $100.

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