4.3 BIN Lookup Service

<?php

    $merchant_id    = 'XXXXXX';
    $merchant_key   = 'XXXXXX';
    $merchant_salt  = 'XXXXXX';

    $bin_number = "";

    $hash_str = $bin_number . $merchant_id . $merchant_salt;
    $paytr_token=base64_encode(hash_hmac('sha256', $hash_str, $merchant_key, true));
    $post_vals=array(
        'merchant_id'=>$merchant_id,
        'bin_number'=>$bin_number,
        'paytr_token'=>$paytr_token
    );

    $ch=curl_init();
    curl_setopt($ch, CURLOPT_URL, "https://www.paytr.com/odeme/api/bin-detail");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1) ;
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_vals);
    curl_setopt($ch, CURLOPT_FRESH_CONNECT, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 20);

    $result = @curl_exec($ch);

    if(curl_errno($ch))
        die("PAYTR BIN detail request timeout. err:".curl_error($ch));

    curl_close($ch);

    $result=json_decode($result,1);

    if($result['status']=='error')
        die("PAYTR BIN detail request error. Error:".$result['err_msg']);
    elseif($result['status']=='failed')
        die("BIN tanımlı değil. (Örneğin bir yurtdışı kartı)");
    else
        print_r($result);

?>

# Python 3.6+

import base64
import hmac
import hashlib
import requests
import json

merchant_id = 'XXX'
merchant_key = b'XXX'
merchant_salt = 'XXX'

bin_number = 'XXXXXX'

hash_str = bin_number + merchant_id + merchant_salt
paytr_token = base64.b64encode(hmac.new(merchant_key, hash_str.encode(), hashlib.sha256).digest())

params = {
    'merchant_id': merchant_id,
    'bin_number': bin_number,
    'paytr_token': paytr_token
}

result = requests.post('https://www.paytr.com/odeme/api/bin-detail', params)
res = json.loads(result.text)

if res['status'] == 'error':
    print('PAYTR BIN detail request error. Error: ' + res['err_msg'])
elif res['status'] == 'failed':
    print('BIN tanımlı değil. (Örneğin bir yurtdışı kartı)')
else:
    print(result.text)

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Collections.Specialized;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Web.Script.Serialization;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication1.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult GetBinDetail()
        {

            string merchant_id = "XXXXXX";
            string merchant_key = "XXXXXX";
            string merchant_salt = "XXXXXX";

            string bin_number = "";

            string Birlestir = string.Concat(bin_number, merchant_id, merchant_salt);
            HMACSHA256 hmac = new HMACSHA256(Encoding.UTF8.GetBytes(merchant_key));
            byte[] b = hmac.ComputeHash(Encoding.UTF8.GetBytes(Birlestir));
            string paytr_token = Convert.ToBase64String(b);

            NameValueCollection data = new NameValueCollection();
            data["merchant_id"] = merchant_id;
            data["bin_number"] = bin_number;
            data["paytr_token"] = paytr_token;

            using (WebClient client = new WebClient())
            {
                client.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
                byte[] result = client.UploadValues("https://www.paytr.com/odeme/api/bin-detail", "POST", data);
                string ResultAuthTicket = Encoding.UTF8.GetString(result);
                dynamic json = JValue.Parse(ResultAuthTicket);
                if (json.status == "success")
                {
                    Response.Write(json);
                }
                            else if (json.status == "failed")
                {
                    Response.Write("BIN tanımlı değil. (Örneğin bir yurtdışı kartı)");
                }
                            else if (json.status == "error")
                {
                    Response.Write("PAYTR BIN detail request error. Error:" + json.err_msg + "");
                }
            }

            return View();
        }
    }
}

var request = require('request');
var crypto = require('crypto');
var express = require('express');
var app = express();

app.use(express.json());
app.use(express.urlencoded({ extended: true }));

var merchant_id = 'XXXXXX';
var merchant_key = 'XXXXXX';
var merchant_salt = 'XXXXXX';

var bin_number = 'XXXXXX';

var paytr_token = crypto.createHmac('sha256', merchant_key).update(bin_number + merchant_id + merchant_salt).digest('base64');

app.get("/", function (req, res) {

var options = {
    'method': 'POST',
    'url': 'https://www.paytr.com/odeme/api/bin-detail',
    'headers': {
        'Content-Type': 'application/x-www-form-urlencoded'
    },
    form: {
        'merchant_id': merchant_id,
        'bin_number': bin_number,
        'paytr_token': paytr_token,
    }
};

request(options, function (error, response, body) {
    if (error) throw new Error(error);
    var res_data = JSON.parse(body);

    if (res_data.status == 'success') {
        res.send(response.body);

    } else {
        res.end(response.body);
    }

});

});

var port = 3200;
app.listen(port, function () {
    console.log("Server is running. Port:" + port);
});