![]() ![]() So the first thing we are going to cover is how you go about getting a FHIR resource from a FHIR server. Step 2: Getting your first resource from a FHIR server There are other Http post clients that could be used like Fiddler so don't feel you have to use Postman. Once you are done you will have a Postman client that looks like this: You don't need an account to get Postman just download the application. Head over to POSTMAN via the link and install Postman now if you have not already done so. Our web browser is not very good at displaying raw XML or JSON so we need a HTTP client so that we can talk in HTTP and view the XML or JSON returned. ![]() ![]() When we work with FHIR the content is not a web page but rather XML or JSON. The browser then interprets the content as a web page and displays it on screen. When you use an internet browser the browser is converting your clicks and text into HTTP to send to the web server and the server returns content, your web page, back via HTTP. What is a post client? It is a tool that allows you to talk to servers using Hypertext Transfer Protocol (HTTP), the protocol the internet works on. You could use any of a number of post clients but the tutorial will assume you are using Postman. Postman can be installed as a Chrome browser extension or as a Mac App. The simplest way to retrieve and send FHIR resources to and from a FHIR server is to use a Http post client. You don't need to know any more about REST at this stage for the tutorial but if you want more on REST take a look at this page, Representational state transfer (REST).Ĭontents Step 1: Setup a Http post client Step 2: Getting your first resource from a FHIR server Step 3: Updating your resource in the FHIR server Step 4: Adding a new resource to the FHIR server Step 5: Deleting a resource from the FHIR server Step 1: Setup a Http post client REST stands for 'Representational state transfer' and RESTFul just means a system that conforms to the constraints of REST. Understanding these four operations is essential to working with any RESTful service which a FHIR server is an implementation of. These are the four main actions that you will use to interact with the FHIR resources within a FHIR server. CRUD stands for Create, Read, Update & Delete. ![]() In this tutorial, we will walk through the basic CRUD operations. This tutorial is designed for FHIR beginners wishing to become familiarised with the basics of FHIR. ![]()
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