CODE EXAMPLE FOR JAVASCRIPT

call two apis with promise all

React.useEffect(()=>{
Promise.all([
    fetch('https://jsonplaceholder.typicode.com/posts'),
    fetch('https://jsonplaceholder.typicode.com/users')
]).then(function (responses) {
    // Get a JSON object from each of the responses
    return Promise.all(responses.map(function (response) {
        return response.json();
    }));
}).then(function (data) {
    // Log the data to the console
    // You would do something with both sets of data here
    console.log(data);
}).catch(function (error) {
    // if there's an error, log it
    console.log(error);
});
},[])