curl --request POST \
  --url https://fbox.ngrok.io/payment/payme \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 1000,
  "qr_code": "50502044301381396427"
}
'

import requests

url = "https://fbox.ngrok.io/payment/payme"

payload = {
    "amount": 1000,
    "qr_code": "50502044301381396427"
}
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({amount: 1000, qr_code: '50502044301381396427'})
};

fetch('https://fbox.ngrok.io/payment/payme', 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://fbox.ngrok.io/payment/payme",
  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([
    'amount' => 1000,
    'qr_code' => '50502044301381396427'
  ]),
  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://fbox.ngrok.io/payment/payme"

	payload := strings.NewReader("{\n  \"amount\": 1000,\n  \"qr_code\": \"50502044301381396427\"\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://fbox.ngrok.io/payment/payme")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 1000,\n  \"qr_code\": \"50502044301381396427\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://fbox.ngrok.io/payment/payme")

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  \"amount\": 1000,\n  \"qr_code\": \"50502044301381396427\"\n}"

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

{
  "data": {
    "amount": 1000,
    "transaction_id": "a12fc00f-5af5-65b8-adf8-74bff44680ee",
    "payment_id": "696e0246c9a128176d5934d8",
    "inn": "123456789",
    "qr_code": "50502244301381336427",
    "kkm_id": "00000011",
    "device_id": "00000011",
    "status": "successfully",
    "message": "successfully payment",
    "client_phone_number": "998712565009"
  },
  "error": null,
  "is_success": true
}

{
  "data": null,
  "error": {
    "code": 104,
    "message": "BILLING_ERROR",
    "data": null
  },
  "is_success": false
}