curl --request PUT \
  --url https://api.opencard.io/api/v1/issuers/{slug}/cards/{cardId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "last_four": "1234",
  "bin_number": "123456",
  "liability": "corporate_with_personal_invoice",
  "scheme": "visa",
  "funding": "credit",
  "issuer_organization_number": "5555555551",
  "issuer_country_code": "SE",
  "identity": {
    "ssn": "190001011111",
    "ssn_country_code": "SE",
    "name": "Test Testsson",
    "company_organization_number": "5555555555",
    "company_country_code": "SE"
  }
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    last_four: '1234',
    bin_number: '123456',
    liability: 'corporate_with_personal_invoice',
    scheme: 'visa',
    funding: 'credit',
    issuer_organization_number: '5555555551',
    issuer_country_code: 'SE',
    identity: {
      ssn: '190001011111',
      ssn_country_code: 'SE',
      name: 'Test Testsson',
      company_organization_number: '5555555555',
      company_country_code: 'SE'
    }
  })
};

fetch('https://api.opencard.io/api/v1/issuers/{slug}/cards/{cardId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.opencard.io/api/v1/issuers/{slug}/cards/{cardId}"

payload = {
    "last_four": "1234",
    "bin_number": "123456",
    "liability": "corporate_with_personal_invoice",
    "scheme": "visa",
    "funding": "credit",
    "issuer_organization_number": "5555555551",
    "issuer_country_code": "SE",
    "identity": {
        "ssn": "190001011111",
        "ssn_country_code": "SE",
        "name": "Test Testsson",
        "company_organization_number": "5555555555",
        "company_country_code": "SE"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.opencard.io/api/v1/issuers/{slug}/cards/{cardId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'last_four' => '1234',
    'bin_number' => '123456',
    'liability' => 'corporate_with_personal_invoice',
    'scheme' => 'visa',
    'funding' => 'credit',
    'issuer_organization_number' => '5555555551',
    'issuer_country_code' => 'SE',
    'identity' => [
        'ssn' => '190001011111',
        'ssn_country_code' => 'SE',
        'name' => 'Test Testsson',
        'company_organization_number' => '5555555555',
        'company_country_code' => 'SE'
    ]
  ]),
  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;
}

{
  "ok": true,
  "updated": true
}