curl --request POST \
  --url https://api.linkio.world/checkout/sessions/generate \
  --header 'Content-Type: application/json' \
  --header 'ngnc-sec-key: <api-key>' \
  --data '
{
  "business_id": "<string>",
  "amount": 50,
  "currency": "USD",
  "reference_id": "ORDER-10294",
  "success_url": "https://yourdomain.com/payment/success",
  "cancel_url": "https://yourdomain.com/payment/cancelled"
}
'

import requests

url = "https://api.linkio.world/checkout/sessions/generate"

payload = {
    "business_id": "<string>",
    "amount": 50,
    "currency": "USD",
    "reference_id": "ORDER-10294",
    "success_url": "https://yourdomain.com/payment/success",
    "cancel_url": "https://yourdomain.com/payment/cancelled"
}
headers = {
    "ngnc-sec-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'ngnc-sec-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    business_id: '<string>',
    amount: 50,
    currency: 'USD',
    reference_id: 'ORDER-10294',
    success_url: 'https://yourdomain.com/payment/success',
    cancel_url: 'https://yourdomain.com/payment/cancelled'
  })
};

fetch('https://api.linkio.world/checkout/sessions/generate', 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.linkio.world/checkout/sessions/generate",
  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([
    'business_id' => '<string>',
    'amount' => 50,
    'currency' => 'USD',
    'reference_id' => 'ORDER-10294',
    'success_url' => 'https://yourdomain.com/payment/success',
    'cancel_url' => 'https://yourdomain.com/payment/cancelled'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "ngnc-sec-key: <api-key>"
  ],
]);

$response = curl_exec($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.linkio.world/checkout/sessions/generate"

	payload := strings.NewReader("{\n  \"business_id\": \"<string>\",\n  \"amount\": 50,\n  \"currency\": \"USD\",\n  \"reference_id\": \"ORDER-10294\",\n  \"success_url\": \"https://yourdomain.com/payment/success\",\n  \"cancel_url\": \"https://yourdomain.com/payment/cancelled\"\n}")

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

	req.Header.Add("ngnc-sec-key", "<api-key>")
	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.linkio.world/checkout/sessions/generate")
  .header("ngnc-sec-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"business_id\": \"<string>\",\n  \"amount\": 50,\n  \"currency\": \"USD\",\n  \"reference_id\": \"ORDER-10294\",\n  \"success_url\": \"https://yourdomain.com/payment/success\",\n  \"cancel_url\": \"https://yourdomain.com/payment/cancelled\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.linkio.world/checkout/sessions/generate")

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

request = Net::HTTP::Post.new(url)
request["ngnc-sec-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"business_id\": \"<string>\",\n  \"amount\": 50,\n  \"currency\": \"USD\",\n  \"reference_id\": \"ORDER-10294\",\n  \"success_url\": \"https://yourdomain.com/payment/success\",\n  \"cancel_url\": \"https://yourdomain.com/payment/cancelled\"\n}"

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

{
  "status": "success",
  "data": {
    "session_id": "6abb8e396b5c58fcba527a1c",
    "url": "https://checkout.linkio.world/pay?sid=6abb8e396b5c58fcba527a1c"
  }
}