let headers = new Headers(); headers.append("Authorization", "Bearer 53fee4e31a06d538bd18562e7eb3450ce714e63f"); var formdata = new FormData(); formdata.append("name", "exercices"); var options = { method: 'POST', headers: headers, body: formdata, redirect: 'follow' }; fetch("https://forge.gwenaelremond.fr/api/v1/user/repos", options) .then(response => response.text()) .then(result => console.log(result)) .catch(error => console.log('error', error));