cmroon

var myHeaders = new Headers();
myHeaders.append("Cookie", "csrftoken=lsDzlik5lO5y33cshMhIgMYIOzmh3CLv; rur=FTW");

var formdata = new FormData();
formdata.append("client_id", "990602627938098");
formdata.append("client_secret", "eb8c7...");
formdata.append("grant_type", "authorization_code");
formdata.append("redirect_uri", "https://socialsizzle.herokuapp.com/auth/");
formdata.append("code", "AQBx-hBsH3...");

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: formdata,
  redirect: 'follow'
};

fetch("https://api.instagram.com/oauth/access_token", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

var data = new FormData();
data.append("client_id", "990602627938098");
data.append("client_secret", "eb8c7...");
data.append("grant_type", "authorization_code");
data.append("redirect_uri", "https://socialsizzle.herokuapp.com/auth/");
data.append("code", "AQBx-hBsH3...");

var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function() {
  if(this.readyState === 4) {
    console.log(this.responseText);
  }
});

xhr.open("POST", "https://api.instagram.com/oauth/access_token");
xhr.setRequestHeader("Cookie", "csrftoken=lsDzlik5lO5y33cshMhIgMYIOzmh3CLv; rur=FTW");

xhr.send(data);

var form = new FormData();
form.append("client_id", "990602627938098");
form.append("client_secret", "eb8c7...");
form.append("grant_type", "authorization_code");
form.append("redirect_uri", "https://socialsizzle.herokuapp.com/auth/");
form.append("code", "AQBx-hBsH3...");

var settings = {
  "url": "https://api.instagram.com/oauth/access_token",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Cookie": "csrftoken=lsDzlik5lO5y33cshMhIgMYIOzmh3CLv; rur=FTW"
  },
  "processData": false,
  "mimeType": "multipart/form-data",
  "contentType": false,
  "data": form
};

$.ajax(settings).done(function (response) {
  console.log(response);
});