Build with NuePay.

curl https://api.nuepay.net/v1/collections \
  -H "Authorization: Bearer $NUEPAY_TEST_KEY" \
  -H "Idempotency-Key: $PAYMENT_UUID" \
  -H 'Content-Type: application/json' \
  -d '{
    "amount": "500.00",
    "currency": "UGX",
    "phone": "0772000000",
    "merchant_reference": "order-123"
  }'

// Persist this UUID with your order; reuse it when retrying.
const response = await fetch('https://api.nuepay.net/v1/collections', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.NUEPAY_TEST_KEY}`,
    'Idempotency-Key': paymentUuid,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    amount: '500.00', currency: 'UGX',
    phone: '0772000000', merchant_reference: 'order-123',
  }),
});
const result = await response.json();
if (!response.ok) throw new Error(result.message);
console.log(result.data);

$curl = curl_init('https://api.nuepay.net/v1/collections');
curl_setopt_array($curl, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer '.getenv('NUEPAY_TEST_KEY'),
        'Idempotency-Key: '.$paymentUuid, // Reuse for retries.
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode([
        'amount' => '500.00', 'currency' => 'UGX',
        'phone' => '0772000000', 'merchant_reference' => 'order-123',
    ]),
]);
$body = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
if ($body === false || $status < 200 || $status >= 300) {
    throw new RuntimeException('Inspect the error and retry safely.');
}
$result = json_decode($body, true, 512, JSON_THROW_ON_ERROR);

import json, os, urllib.request

request = urllib.request.Request(
    'https://api.nuepay.net/v1/collections',
    method='POST',
    headers={
        'Authorization': 'Bearer ' + os.environ['NUEPAY_TEST_KEY'],
        'Idempotency-Key': payment_uuid,  # Reuse for retries.
        'Content-Type': 'application/json',
    },
    data=json.dumps({
        'amount': '500.00', 'currency': 'UGX',
        'phone': '0772000000', 'merchant_reference': 'order-123',
    }).encode(),
)
with urllib.request.urlopen(request, timeout=30) as response:
    result = json.load(response)
print(result['data'])