curl --request POST \
  --url https://api.getreply.in/v1/messages/contact-card \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "to": "+9198250*****",
  "contacts": [
    {
      "name": {
        "formatted_name": "GetReply Support"
      },
      "phones": [
        {
          "phone": "+9198250*****",
          "type": "WORK"
        }
      ]
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    to: '+9198250*****',
    contacts: [
      {
        name: {formatted_name: 'GetReply Support'},
        phones: [{phone: '+9198250*****', type: 'WORK'}]
      }
    ]
  })
};

fetch('https://api.getreply.in/v1/messages/contact-card', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.getreply.in/v1/messages/contact-card",
  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([
    'to' => '+9198250*****',
    'contacts' => [
        [
                'name' => [
                                'formatted_name' => 'GetReply Support'
                ],
                'phones' => [
                                [
                                                                'phone' => '+9198250*****',
                                                                'type' => 'WORK'
                                ]
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

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

curl_close($curl);

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

import requests

url = "https://api.getreply.in/v1/messages/contact-card"

payload = {
    "to": "+9198250*****",
    "contacts": [
        {
            "name": { "formatted_name": "GetReply Support" },
            "phones": [
                {
                    "phone": "+9198250*****",
                    "type": "WORK"
                }
            ]
        }
    ]
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)