curl --request POST \
  --url https://api.ararahq.com/v1/messages/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateName": "pedido_confirmado",
  "messages": [
    {
      "receiver": "+5511999999999",
      "templateVariables": [
        "João",
        "1"
      ]
    },
    {
      "receiver": "+5511888888888",
      "templateVariables": [
        "Maria",
        "2"
      ]
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    templateName: 'pedido_confirmado',
    messages: [
      {receiver: '+5511999999999', templateVariables: ['João', '1']},
      {receiver: '+5511888888888', templateVariables: ['Maria', '2']}
    ]
  })
};

fetch('https://api.ararahq.com/v1/messages/batch', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.ararahq.com/v1/messages/batch"

payload = {
    "templateName": "pedido_confirmado",
    "messages": [
        {
            "receiver": "+5511999999999",
            "templateVariables": ["João", "1"]
        },
        {
            "receiver": "+5511888888888",
            "templateVariables": ["Maria", "2"]
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.ararahq.com/v1/messages/batch",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'templateName' => 'pedido_confirmado',
    'messages' => [
        [
                'receiver' => '+5511999999999',
                'templateVariables' => [
                                'João',
                                '1'
                ]
        ],
        [
                'receiver' => '+5511888888888',
                'templateVariables' => [
                                'Maria',
                                '2'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}