Release 4 5 Preview #2
This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions


FHIR Infrastructure Work Group Maturity Level : N/A Standards Status : Informative Compartments : Not linked to any defined compartments

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Discover what versions a server supports

OPERATION: Discover what versions a server supports

The official URL for this operation definition is:

Using the FHIR Version Mime Type Parameter , a server can support multiple versions on the same end-point . The only way for client to find out what versions a server supports in this fashion is the $versions operation. The client invokes the operation with no parameters. and the server returns the list of supported versions, along with the default version it will use if no fhirVersion parameter is present

URL: [base]/$versions


Use Name Cardinality Type Binding Documentation
OUT version 1..* code

A version supported by the server. Use the major.minor version like 3.0

OUT default 1..1 code

The default version for the server. Use the major.minor version like 3.0



Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.