Mathew Chang

Mathew Chang

co founder

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Been away for a while, but honestly, have things changed?

Hey everyone,

Historically I founded @Nack AI, And it did quite well. But we eventually packed it up. So, I've been away from product hunt for 3 years since.

We integrated 10 wearable APIs so you don't have to

Something we kept running into across projects: wearable integration eats months and adds zero product value.

Every provider does things differently. Garmin sends XML. Whoop sends JSON but paginates differently than Oura. Apple Health needs on-device processing. Samsung has its own SDK. Different auth flows, different rate limits, different webhook formats.

Roll is one week old, and keeps on rollin!

Hello Roll fam.

Honestly blown away by the love, feedback, and overall vibes this past week. Didn t expect this.

A few updates that are now live, all coming straight from you shaping what Roll becomes:

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