How do I add headers for requests from an API?
Tutorial
by Er Satya
All > Tech Blogger | Java | Spring Boot | HTML | CSS | MySQL > Java | Spring Boot
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How do I add headers for requests from an API?
// Example POST method implementation:
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return await response.json(); // parses JSON response into native JavaScript objects
}
postData('https://example.com/answer', { answer: 08 })
.then((data) => {
console.log(data); // JSON data parsed by `response.json()` call
});
fetch(url, {
headers: {
"User-Agent": "MyAppName/Version# (Language=Javascript; Platform: Linux)"
}
}).then(function(resp) {
return resp.json();
}).then(function(data){...
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