Build Your Tracking — Free for 3 Months

// npm install whereparcel
import { WhereParcel } from 'whereparcel';

const wp = new WhereParcel('YOUR_API_KEY', 'YOUR_SECRET_KEY');

const res = await wp.track([
  { carrier: 'us.usps', trackingNumber: '9400111899562537866361' },
]);

const item = res.data[0];
if (item.status === 'success') {
  console.log(item.data.deliveryStatus);
  console.log(item.data.events);
}

curl -X POST https://api.whereparcel.com/v2/track \
  -H "Authorization: Bearer YOUR_API_KEY:YOUR_SECRET_KEY" \
  -H "Content-Type: application/json" \
  -d '{"trackingItems":[{"carrier":"us.usps","trackingNumber":"9400111899562537866361"}]}'

const res = await fetch('https://api.whereparcel.com/v2/track', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY:YOUR_SECRET_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    trackingItems: [{ carrier: 'us.usps', trackingNumber: '9400111899562537866361' }],
  }),
});
const { data } = await res.json();
console.log(data[0].data.deliveryStatus);

import requests

res = requests.post(
    "https://api.whereparcel.com/v2/track",
    headers={"Authorization": "Bearer YOUR_API_KEY:YOUR_SECRET_KEY"},
    json={"trackingItems": [{"carrier": "us.usps", "trackingNumber": "9400111899562537866361"}]},
)
print(res.json()["data"][0]["data"]["deliveryStatus"])

$ch = curl_init('https://api.whereparcel.com/v2/track');
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => [
    'Authorization: Bearer YOUR_API_KEY:YOUR_SECRET_KEY',
    'Content-Type: application/json',
  ],
  CURLOPT_POSTFIELDS => json_encode(['trackingItems' => [
    ['carrier' => 'us.usps', 'trackingNumber' => '9400111899562537866361'],
  ]]),
]);
$res = json_decode(curl_exec($ch), true);
echo $res['data'][0]['data']['deliveryStatus'];

body := strings.NewReader(`{"trackingItems":[{"carrier":"us.usps","trackingNumber":"9400111899562537866361"}]}`)
req, _ := http.NewRequest("POST", "https://api.whereparcel.com/v2/track", body)
req.Header.Set("Authorization", "Bearer YOUR_API_KEY:YOUR_SECRET_KEY")
req.Header.Set("Content-Type", "application/json")
res, err := http.DefaultClient.Do(req)