Transactional messaging, built into your application.

curl --request POST 'https://api.silurian.net/sms/v2/send' \
  --user 'YOUR_API_TOKEN:' \
  --header 'Content-Type: application/json' \
  --data '{
    "sender": "YOURBRAND",
    "message": "Your verification code is 123456.",
    "recipients": [{"msisdn": "+34XXXXXXXXX"}]
  }'

<?php
$apiToken = 'YOUR_API_TOKEN';
$payload = [
    'sender' => 'YOURBRAND',
    'message' => 'Your verification code is 123456.',
    'recipients' => [['msisdn' => '+34XXXXXXXXX']],
];

$request = curl_init('https://api.silurian.net/sms/v2/send');
curl_setopt_array($request, [
    CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
    CURLOPT_USERPWD => $apiToken . ':',
    CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
    CURLOPT_POSTFIELDS => json_encode($payload),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_TIMEOUT => 15,
]);

$response = curl_exec($request);
$status = curl_getinfo($request, CURLINFO_HTTP_CODE);
curl_close($request);

import requests

api_token = "YOUR_API_TOKEN"
payload = {
    "sender": "YOURBRAND",
    "message": "Your verification code is 123456.",
    "recipients": [{"msisdn": "+34XXXXXXXXX"}],
}

response = requests.post(
    "https://api.silurian.net/sms/v2/send",
    auth=(api_token, ""),
    json=payload,
    timeout=15,
)
response.raise_for_status()
result = response.json()

const apiToken = 'YOUR_API_TOKEN';
const credentials = Buffer.from(`${apiToken}:`).toString('base64');

const response = await fetch(
  'https://api.silurian.net/sms/v2/send',
  {
    method: 'POST',
    headers: {
      Authorization: `Basic ${credentials}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      sender: 'YOURBRAND',
      message: 'Your verification code is 123456.',
      recipients: [{ msisdn: '+34XXXXXXXXX' }],
    }),
  },
);

const result = await response.json();