We hit a big milestone for Vanya FHIR viewer last week.
Full integration with FHIR servers on AWS Healthlake and on Google Cloud.
Vanya is a tool I built over the past year for developers working with FHIR. It connects to your FHIR server and shows you the data inside — all sorted by last updated date. It makes it easy to see the changes to your FHIR resources in real time.
The list of connected servers is growing: AWS, Google, Azure, Aidbox, Medplum, ZapEHR & MeldRx — all of whom authenticate a little differently.
A lot differently in the case of AWS and Google — it was a fun few weeks!
We also made some much needed improvements to the JSON viewer, making it simpler to copy a resource’s JSON and paste it into Notepad++ or Postman.

And we built in the ability to assign your FHIR servers to groups. I’ve been using a test version of this feature for a few weeks now, and it makes working with 20+ FHIR servers painless. My own groups look like this:
- Dev
- Staging
- QA
- Production
- Demos
The app is still free and runs on Windows and Macs. You can download the latest version with all the new features here:
Feedback is more than welcome.
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