curl --request POST \
  --url https://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization \
  --header 'Content-Type: application/json' \
  --data '
{
  "card_token": "**CARD_TOKEN**",
  "amount": 10
}
'

import requests

url = "https://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization"

payload = {
    "card_token": "**CARD_TOKEN**",
    "amount": 10
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({card_token: '**CARD_TOKEN**', amount: 10})
};

fetch('https://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization', 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://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization",
  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([
    'card_token' => '**CARD_TOKEN**',
    'amount' => 10
  ]),
  CURLOPT_HTTPHEADER => [
    "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://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization"

	payload := strings.NewReader("{\n  \"card_token\": \"**CARD_TOKEN**\",\n  \"amount\": 10\n}")

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

	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://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization")
  .header("Content-Type", "application/json")
  .body("{\n  \"card_token\": \"**CARD_TOKEN**\",\n  \"amount\": 10\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-api.marqeta.com/v3/simulations/cardtransactions/authorization")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"card_token\": \"**CARD_TOKEN**\",\n  \"amount\": 10\n}"

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

{
  "transaction": {
    "type": "authorization",
    "state": "PENDING",
    "token": "**AUTHORIZATION_TRANSACTION_TOKEN**",
    "user_token": "**USER_TOKEN**",
    "card_token": "**CARD_TOKEN**",
    "response": {
      "code": "0000",
      "memo": "Approved or completed successfully"
    },
    "created_time": "2024-12-06T21:39:43.000Z",
    "user_transaction_time": "2024-12-06T21:39:43.000Z",
    "settlement_date": "2024-12-06T00:00:00.000Z",
    "amount": 10,
    "gpa": {
      "ledger_balance": 250,
      "available_balance": 240,
      "impacted_amount": -10
    },
    "currency_code": "USD",
    "currency_conversion": {
      "original_amount": 10,
      "conversion_rate": 1,
      "original_currency_code": 840
    },
    "network": "VISA",
    "subnetwork": "VISANET",
    "card_acceptor": {
      "mid": "000000000011111",
      "mcc": "6411",
      "name": "Marqeta Storefront",
      "city": "St. Petersburg",
      "state": "FL"
    }
  }
}

{
  "error_code": "<string>",
  "error_message": "<string>"
}