curl --request POST \
  --url https://developer.world.org/api/v2/minikit/send-notification \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "app_id": "app_id",
  "wallet_addresses": [
    "0x1234567890123456789012345678901234567890",
    "0xabcdefabcdefabcdefabcdefabcdefabcdefabcd"
  ],
  "title": "title",
  "message": "Hello ${username}, your transaction is complete!",
  "mini_app_path": "worldapp://mini-app?app_id=app_id"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    app_id: 'app_id',
    wallet_addresses: [
      '0x1234567890123456789012345678901234567890',
      '0xabcdefabcdefabcdefabcdefabcdefabcdefabcd'
    ],
    title: 'title',
    message: 'Hello ${username}, your transaction is complete!',
    mini_app_path: 'worldapp://mini-app?app_id=app_id'
  })
};

fetch('https://developer.world.org/api/v2/minikit/send-notification', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));