Fetch JSON Data

MainView.controller.js

onInit: function () {
  const sUrl = "https://api.coinbase.com/v2/currencies",
    oJSONModel = new JSONModel({
      list: [],
      busy: true,
      busyIndicatorDelay: 0
    });

  this.setModel(oJSONModel);

  jQuery.get(sUrl).then(oData => {
    oJSONModel.setProperty("/list", oData.data);
  }).fail(() => {
    oJSONModel.setProperty("/list", []);
  }).always(() => {
    oJSONModel.setProperty("/busy", false);
  })
}

MainView.view.xml

<Page busy="{/busy}" busyIndicatorDelay="{/busyIndicatorDelay}">
    <List items="{/list}">
        <StandardListItem title="{name}"/>
    </List>
</Page>