All the APIs you need, simplified

// Get weather data for any location
const response = await fetch(
  'https://api.myopenapis.com/weather/current?city=London',
  {
    headers: {
      'X-API-Key': 'your-api-key'
    }
  }
);

const data = await response.json();
console.log(data.temperature); // 18°C