// Envoi SMS via API HTTPS GET
$url = "https://sms.etech-keys.com/ss/envoyer.php";
$params = [
    'login'    => 'VOTRE_LOGIN',
    'password' => 'VOTRE_MOT_DE_PASSE',
    'sender'   => 'MON_SENDER',
    'tel'      => '237673767207',
    'msg'      => 'Bonjour depuis ETECH KEYS!',
];
$response = file_get_contents(
    $url . '?' . http_build_query($params)
);
echo $response;

import requests

params = {
    'login':    'VOTRE_LOGIN',
    'password': 'VOTRE_MOT_DE_PASSE',
    'sender':   'MON_SENDER',
    'tel':      '237673767207',
    'msg':      'Bonjour depuis ETECH KEYS!',
}
r = requests.get(
    'https://sms.etech-keys.com/ss/envoyer.php',
    params=params
)
print(r.text)

# Envoi SMS GET
curl -G "https://sms.etech-keys.com/ss/envoyer.php" \
  --data-urlencode "login=VOTRE_LOGIN" \
  --data-urlencode "password=VOTRE_MOT_DE_PASSE" \
  --data-urlencode "sender=MON_SENDER" \
  --data-urlencode "tel=237673767207" \
  --data-urlencode "msg=Bonjour depuis ETECH KEYS!"

# API REST v1 (Bearer Token)
curl -X POST "https://v1.api.etech-keys.com/api/v1/send-sms" \
  -H "Authorization: Bearer VOTRE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"sender":"MON_SENDER","tel":"237673767207","msg":"Bonjour!"}'

// Envoi template WhatsApp
$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://v1.api.etech-keys.com/api/v1/whatsapp/send',
  CURLOPT_POST => true,
  CURLOPT_HTTPHEADER => [
    'Authorization: Bearer ' . $token,
    'Content-Type: application/json',
  ],
  CURLOPT_POSTFIELDS => json_encode([
    'to'       => '237673767207',
    'type'     => 'template',
    'template' => [
      'name'     => 'mon_template',
      'language' => 'fr',
      'components' => [[
        'type'   => 'body',
        'parameters' => [[
          'type'  => 'text',
          'text'  => 'Jean Dupont',
        ]],
      ]],
    ],
  ]),
  CURLOPT_RETURNTRANSFER => true,
]);
$result = curl_exec($ch);