Replace BASE_URL with your GSM Modem device URL (e.g. http://192.168.1.100:8080).

PHP

Send SMS

Send SMS
\$baseUrl = 'http://192.168.1.100:8080';

\$ch = curl_init(\$baseUrl . '/api/send-sms');
curl_setopt_array(\$ch, [
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => json_encode([
        \'phone\' => \'+49123456789\',
        \'message\' => \'Hello from GSM Modem API\'
    ]),
    CURLOPT_HTTPHEADER => [\'Content-Type: application/json\'],
    CURLOPT_USERPWD => \'USERNAME:PASSWORD\',
    CURLOPT_RETURNTRANSFER => true
]);
$response = curl_exec($ch);
curl_close($ch);
echo $response;
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