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SMS & OTP Developer REST API

Integrate SMS, OTP, Voice, and WhatsApp APIs in under 5 minutes with complete code samples.

API Highlights
  • High Throughput REST HTTP Endpoints
  • Real-time JSON Response Payload
  • Delivery Callback Webhooks
  • Automatic DLT Template Parameter Mapping
  • SSL/TLS Encrypted Endpoint
Base Endpoint URL:
https://otp.l.cd/api/send_sms.php 
curl -X POST "https://otp.l.cd/api/send_sms.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "mobile": "919876543210",
    "sender_id": "SMSHUB",
    "message": "Your verification OTP is 492018. - OTP LCD",
    "type": "otp"
  }'
<?php
$url = "https://otp.l.cd/api/send_sms.php";
$data = array(
    "api_key"   => "YOUR_API_KEY",
    "mobile"    => "919876543210",
    "sender_id" => "SMSHUB",
    "message"   => "Your verification OTP is 492018. - OTP LCD",
    "type"      => "otp"
);

$options = array(
    "http" => array(
        "header"  => "Content-Type: application/json\r\n",
        "method"  => "POST",
        "content" => json_encode($data)
    )
);

$context  = stream_context_create($options);
$response = file_get_contents($url, false, $context);
echo $response;
?>
import requests

url = "https://otp.l.cd/api/send_sms.php"
payload = {
    "api_key": "YOUR_API_KEY",
    "mobile": "919876543210",
    "sender_id": "SMSHUB",
    "message": "Your verification OTP is 492018. - OTP LCD",
    "type": "otp"
}

response = requests.post(url, json=payload)
print(response.json())
const axios = require('axios');

axios.post('https://otp.l.cd/api/send_sms.php', {
    api_key: 'YOUR_API_KEY',
    mobile: '919876543210',
    sender_id: 'SMSHUB',
    message: 'Your verification OTP is 492018. - OTP LCD',
    type: 'otp'
})
.then(response => console.log(response.data))
.catch(error => console.error(error));