curl --request POST \
  --url https://api.sellauth.com/v1/customer-dashboard/instant-balance/quote \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cart": [
    []
  ],
  "currency": "USD",
  "affiliate": null,
  "attribution": null
}
'

import requests

url = "https://api.sellauth.com/v1/customer-dashboard/instant-balance/quote"

payload = {
    "cart": [[]],
    "currency": "USD",
    "affiliate": None,
    "attribution": None
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({cart: [[]], currency: 'USD', affiliate: null, attribution: null})
};

fetch('https://api.sellauth.com/v1/customer-dashboard/instant-balance/quote', 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.sellauth.com/v1/customer-dashboard/instant-balance/quote",
  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([
    'cart' => [
        [
                
        ]
    ],
    'currency' => 'USD',
    'affiliate' => null,
    'attribution' => null
  ]),
  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;
}

package main

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

func main() {

	url := "https://api.sellauth.com/v1/customer-dashboard/instant-balance/quote"

	payload := strings.NewReader("{\n  \"cart\": [\n    []\n  ],\n  \"currency\": \"USD\",\n  \"affiliate\": null,\n  \"attribution\": null\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.sellauth.com/v1/customer-dashboard/instant-balance/quote")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"cart\": [\n    []\n  ],\n  \"currency\": \"USD\",\n  \"affiliate\": null,\n  \"attribution\": null\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sellauth.com/v1/customer-dashboard/instant-balance/quote")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"cart\": [\n    []\n  ],\n  \"currency\": \"USD\",\n  \"affiliate\": null,\n  \"attribution\": null\n}"

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

{
  "success": true,
  "unique_id": "9f2b3c4d5e6f7",
  "checkout_url": "https://pay.sellauth.com/invoice/9f2b3c4d5e6f7",
  "currency": "USD",
  "price": 14.99,
  "price_usd": 14.99,
  "has_tax_or_fees": false,
  "collects_fields_after": false,
  "items": [
    {
      "name": "License Keys - Standard",
      "quantity": 1,
      "total_price": 14.99
    }
  ],
  "balance": 25,
  "balance_after": 10.01,
  "can_pay": true
}

{
  "message": "Shop is not available."
}