Template API Oficial (NATIVA)

<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://{BACKEND_URL}/api/messages/sendMetaCustom',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'POST',
  CURLOPT_POSTFIELDS =>'{
  "number": "5511989091838",
  "name": "teste_variaveis_form",
  "openTicket": 1,
  "queueId": 100,
  "language": "pt_BR",
  "template": [
    {
      "type": "body",
      "parameters": [
        {
          "type": "text",
          "text": "Rafael"
        },
        {
          "type": "text",
          "text": "Festa do Peão"
        },
        {
          "type": "text",
          "text": "15/01/2026"
        }
      ]
    },
    {
      "type": "button",
      "sub_type": "quick_reply",
      "index": "1",
      "parameters": [
        {
          "type": "payload",
          "payload": "Contato"
        }
      ]
    }
  ]
}',
  CURLOPT_HTTPHEADER => array(
    'Content-Type: application/json',
    'Authorization: Bearer seutoken'
  ),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;