Strava upload sample NodeJS

strava_upload.js

const body = new FormData();

body.append('data_type', 'gpx');
body.append('name', activity_name);
body.append('external_id', activity_id);
body.append('file', fs.readFileSync(gpxFilePath, { encoding: 'utf8' }), {
  contentType: 'application/gpx+xml',
});

const stravaUploadResponse = await fetch(
  'https://www.strava.com/api/v3/uploads',
  {
    method: 'POST',
    headers: {
      Authorization: `Bearer a315ac2e1e868c5b8c4a5ad00ae243579ab3d323`,
      'Content-Type': 'multipart/form-data',
    },
    body,
  }
).then(response => response.json());

console.log(stravaUploadResponse);