![]() ![]() plugin - Works with cordova-plugin-advanced-http - Works only on device, so development is difficult.You can check the advantages in this comparison. If doesn’t fix CORS issues, but has few advantages over fetch API. ![]() Similar options might be there in React as well) -This is Angular’s default way of making Http calls. Angular HttpClient (Since we are using Angular for Demo.But there are some new methods we can implement for this issues Choices in Ionic Capacitor apps for Http API callsįor making REST API calls, we have following options This old blog sheds some light on possible options to avoid CORS issues in Ionic. You need to make sure your requests are going through some kind of proxy (outside the webview), even if the request is actually made from the native app or localhost. Case 2- You don’t have control over the server Since not every server is relaxed in origin restrictions, we need some other solution to avoid CORS issues. We’ll explore more on this in next section. In this case, we can use Angular Http Client for making REST API Calls. If the server is not in your control, AND the server has no origin restriction, your API calls will still go through without any issue. ![]() This can almost exclusively happen only if you are deploying the front-end and back-end yourself. If you have your own server where your API calls are ‘hitting’, you can make changes to allow these origins in the requests and problem solved. Case 1 - If you have your own server, OR the server has no origin restriction These origins, again, will not be allowed in standard server like Firebase cloud, wooCommerce or Payment gateways etc. For Cordova it is ionic://localhost in iOS, and for android. Similarly when you make API calls from Ionic Capacitor Android or iOS app, the origin is capacitor://localhost and respectively. The server receiving the request decides whether it will allow an API call from this origin or not. If we are making the call from ionic serve, the origin will be or similar. This happens because our REST API calls contain the information of the request’s origin. When we make REST API calls to a server, we often encounter CORS ( Cross-Origin Resource Sharing) issues. REST API call issuesīefore we explore the options to do http API calls, we need to understand why different options exist and how they are different. But we’ll see that Capacitor can use Cordova plugins as well. For demo purpose we will use Angular front-end here.Īlso, for build environment we will stick to Capacitor. FrameworksĪll the options we explore in this post are equally applicable to any of the front-end framework, be it Vanilla JS, Angular, React or Vue. Although I’m using a Capacitor app for demo, the solutions are applicable on Cordova as well. We will explore various options to do these API calls in Ionic (Capacitor) apps, and test the same in Web, Android and iOS apps. This might sound very trivial feature but it actually becomes confusing because of a lot of options available and even becomes an issue because of origin restrictions and CORS issues. API Icon made by Prosymbols from In this post, we will learn how to make REST API calls from an Ionic Capacitor app. ![]()
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