WalletBit/API/Getnewaddress

Generate new Bitcoin address

$fields = array(
  'merchant' => 'owner@example.com',
  'label' => 'TEST'
);
$fields['encrypted'] = strtoupper(hash('sha256', $fields['merchant'] . ':' . $fields['label'] . ':' . 'API Key'));

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://walletbit.com/api/getnewaddress');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, TRUE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POST, count($fields));
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields));
$response = curl_exec($ch);
curl_close($ch);

If successful $response will contain your new bitcoin address, otherwise empty.