Malaysia's highest
prepaid credit rate

# Top up RM30 to a Maxis number (test key = sandbox)
curl -X POST https://srs.my/v1/topup \
  -H "Authorization: Bearer sk_test_..." \
  -d product=MAXIS \
  -d msisdn=0123456789 \
  -d amount=30 \
  -d client_txn_id=ORDER-1001

// Top up RM30 to a Maxis number
$ch = curl_init('https://srs.my/v1/topup');
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => ['Authorization: Bearer ' . $apiKey],
  CURLOPT_POSTFIELDS => http_build_query(['product' => 'MAXIS',
    'msisdn' => '0123456789', 'amount' => 30, 'client_txn_id' => 'ORDER-1001']),
]);
$result = json_decode(curl_exec($ch), true);

// Top up RM30 to a Maxis number (Node.js 18+)
const res = await fetch('https://srs.my/v1/topup', {
  method: 'POST',
  headers: { 'Authorization': `Bearer ${apiKey}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({ product: 'MAXIS', msisdn: '0123456789',
    amount: 30, client_txn_id: 'ORDER-1001' }),
});
const result = await res.json();

# Top up RM30 to a Maxis number
import requests
r = requests.post('https://srs.my/v1/topup',
    headers={'Authorization': f'Bearer {api_key}'},
    data={'product': 'MAXIS', 'msisdn': '0123456789',
          'amount': 30, 'client_txn_id': 'ORDER-1001'},
    timeout=30)
result = r.json()

{
  "status": "PENDING",
  "txn_id": "20261005103012345128",
  "client_txn_id": "ORDER-1001",
  "product": "MAXIS",
  "amount": 30,
  "price": 31.05,
  "balance": 4812.40
}