Exemplos em JavaScript - Rest APIs

var myHeaders = new Headers();
myHeaders.append("Accept", "application/json; version=3");
myHeaders.append("Authorization", "Token [TOKEN VALUE]");

var requestOptions = {
  method: 'GET',
  headers: myHeaders,
  redirect: 'follow'
};

fetch("https://api.azionapi.net/digital_certificates/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

fetch('https://example.com/delete-item/' + id, {
 method: 'DELETE',
})
.then(res => res.text()) // or res.json()
.then(res => console.log(res))

function createNewProfile(profile) {
    const formData = new FormData();
    formData.append('first_name', profile.firstName);
    formData.append('last_name', profile.lastName);
    formData.append('email', profile.email);
    return fetch('http://example.com/api/v1/registration', {
        method: 'POST',
        body: formData
    }).then(response => response.json())
}
createNewProfile(profile)
   .then((json) => {
       // handle success
    })
   .catch(error => error);

const putMethod = {
 method: 'PUT', // Method itself
 headers: {
  'Content-type': 'application/json; charset=UTF-8' // Indicates the content
 },
 body: JSON.stringify(someData) // We send data in JSON format
}
// make the HTTP put request using fetch api
fetch(url, putMethod)
.then(response => response.json())
.then(data => console.log(data)) // Manipulate the data retrieved back, if we want to do something with it
.catch(err => console.log(err)) // Do something with the error

const API_URL = 'https://api.azion.net/'
const API_PATH = 'api/v3/'
fetch(API_URL + API_PATH + 'tasks', {
 headers: {
   'Accept': 'application/json',
   'Content-Type': 'application/json'
 },
 method: 'patch',
 body: JSON.stringify( { task: task } )
})