HFQL Client

About the tool

HFQL (HAPI FHIR Query Language) is a query language for FHIR developed to support healthcare data analytics. HFQL queries can be executed against FHIR servers using the $hfql-execute operation which returns the results in the form of a CSV file.

This tool allows you to execute HFQL queries against FHIR servers online, without worrying about the details of the underlying HTTP protocol.


The base URL of the FHIR server. Only the public HTTPS endpoints with CORS enabled are supported.
The HFQL query to run.
Press Execute HFQL to see the result.

See also

Made by Anton Vasetenkov.

If you want to say hi, you can reach me on LinkedIn or via email. If you like my work, you can support me by buying me a coffee.