This post talks about how to get the previous state of an item...

A way to log the low-level interaction of your application and HealthVault Request-Response Tracing

Storing CCR and CCD Data in HealthVault

In my previous post I announced that we've improved the Health & Fitness sample in our newly released HealthVault SDK. here is a bit more detail about what we changed: · Important cache code fix. There was a bug in the previous caching code that...

We are happy to announce the availability of an updated HealthVault SDK. The installer for this new SDK has replaced the old SDK installer on our MSDN site. The old SDK is still completely compatible with the platform and both versions will continue to...

We will be upgrading the HealthVault Developer Environment servers between 6pm and 7pm Pacific Time next Wednesday, Nov 21st. Intermittent outages are possible. We plan on sticking with this time window for future maintenance so please let us know if...

Two posts that explain how to add some custom data to an existing data type... Extending HealthVault data types using HealthRecordItemExtension Extending HealthVault data types using a custom extension class

There have been a few requests for a HealthVault introduction that is simpler than the SleepJournal and FittrakLite ones, so I've create a simpler "Hello, World" sample that will show up in the SDK sometime in the near future. I thought I'd walk you...

[update link fixed] A nice post that explains the rationale behind the HealthVault Data Model.

At some point in HealthVault development, you will want your own application id. The most common case for doing this is when you want to trim down your data access rights to what your application needs (the sample application ids all have full rights...