curl --request POST \
  --url https://access.utgl.io/v1/cards/activate \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "idempotencyKey": "xeev1she5eegh9daiviethahchoo1muW",
  "cardAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

import requests

url = "https://access.utgl.io/v1/cards/activate"

payload = {
    "idempotencyKey": "xeev1she5eegh9daiviethahchoo1muW",
    "cardAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    idempotencyKey: 'xeev1she5eegh9daiviethahchoo1muW',
    cardAccountId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    cardId: '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  })
};

fetch('https://access.utgl.io/v1/cards/activate', 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://access.utgl.io/v1/cards/activate",
  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([
    'idempotencyKey' => 'xeev1she5eegh9daiviethahchoo1muW',
    'cardAccountId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'cardId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://access.utgl.io/v1/cards/activate"

	payload := strings.NewReader("{\n  \"idempotencyKey\": \"xeev1she5eegh9daiviethahchoo1muW\",\n  \"cardAccountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"cardId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Basic <encoded-value>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://access.utgl.io/v1/cards/activate")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"idempotencyKey\": \"xeev1she5eegh9daiviethahchoo1muW\",\n  \"cardAccountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"cardId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://access.utgl.io/v1/cards/activate")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"idempotencyKey\": \"xeev1she5eegh9daiviethahchoo1muW\",\n  \"cardAccountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"cardId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}"

response = http.request(request)
puts response.read_body

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cardAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "xid": "<string>",
  "xmetadata": "<unknown>",
  "status": "active",
  "embossedName": "<string>",
  "network": "mastercard",
  "product": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "imageUrl": "<string>",
    "cardType": "<string>",
    "cardImageDetails": {
      "cardOrientation": "LANDSCAPE",
      "cardWidth": "<string>",
      "cardHeight": "<string>",
      "cardNameFontSize": "<string>",
      "cardNameFontWeight": "<string>",
      "cardNameLineHeight": "<string>",
      "cardNameLetterSpacing": "<string>",
      "cardNamePosition": "<string>",
      "cardNameCoordinates": [
        123
      ],
      "cardNameColor": "<string>"
    }
  },
  "expiryMonth": 9,
  "expiryYear": 2030,
  "last4": "<string>",
  "replacedBy": "<string>",
  "cardLimit": 123,
  "dailyAtmLimit": 123,
  "dailyPurchaseLimit": 123,
  "dailyLimit": 123,
  "singleTransactionLimit": 123,
  "availableLimit": 123,
  "cardPresentLimit": 123,
  "cardNotPresentLimit": 123,
  "mobile": "<string>",
  "cardEmail": "john.doe@example.com"
}