HFQL Playground

About the tool

HFQL (HAPI FHIR Query Language) is a SQL-like language for querying FHIR repositories introduced by HAPI FHIR. This language allows you to access FHIR data using a simple syntax and retrieve the results in a tabular format.

This tool allows you to experiment with the HFQL syntax online. You can execute the queries against the mock data provided in FSH (FHIR Shorthand).


The HFQL query to run.
The FHIR resources (FSH instances) to be used for testing.
Press Execute HFQL to see the result.

See also

Made by Anton Vasetenkov.

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