const url = 'https://api.ouro.foundation/routes/mmoderwell/mattergen';
const options = {
  method: 'GET',
  headers: {
    'Authorization': 'ApiKey {your-ouro-api-key}'
  }
};
 
fetch(url, options)
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));