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var myHeaders = new Headers();
myHeaders.append("Accept", "application/json");
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
   "id": "string"
});

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

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