Each Resource published in the Healthcare FHIR API has a pre-configured REST Service rule that identifies the key properties including the path and parameters as well as all the methods configured for the Resource. Let’s look at an example below for the Patient API.
Resource and query parameters
The Resource and Query parameters configured on the REST Service rule are used to form and call the appropriate endpoint system URL. In this example, the patient ID is passed as resource parameter, which will convert endpoint URL as shown below:
The Methods tab of the rule defines any of the methods - GET, PUT, POST defined for the Resource along with the parameters for each method.