Note: The validator will automatically download the necessary definitions for the specified version (e.g., 3.0, 4.0, 5.0) if they aren't in your local cache. 2. Validating Against an Implementation Guide (IG)
java -jar validator_cli.jar patient-example.xml -version 4.0 Use code with caution. org.hl7.fhir.validator.jar download
The validator is maintained as part of the HAPI FHIR core project. You can download the latest pre-built binary directly from official repositories: org.hl7.fhir.validator.jar download
You can often find the latest version at this permanent download URL. org.hl7.fhir.validator.jar download
The most reliable source for the latest stable version is the HAPI FHIR core releases page .