vue.html

<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
        <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    </head>  
    <body>
        <div id="app">
            {{ info }}
        </div>
    

        <script>
          var app = new Vue({ 
                el: '#app',
                data: {
                    message: 'Hello Vue!',
                    nome: '',
                    info: null
                },
                mounted () {
                    axios
                      .get('https://economia.awesomeapi.com.br/all/USD-BRL')
                      .then(response => (this.info = response.data.USD.name+" = "+response.data.USD.high))
                  }
            });
        </script>
    </body> 
</html>