GG Pay BD Developer Documentation
API Documentation

Build payments
with GG Pay BD.

Integrate GG Pay BD with your website, application or e-commerce platform using our simple REST API.

Version 1.00
Updated 30 Sep 2026
REST API Available

Overview

GG Pay BD is an online payment automation platform for websites, applications and digital businesses.

The REST API allows your application to create payment sessions and verify transactions from your backend.

API Base URL

Use the following base URL for the GG Pay BD API.

https://autopay.ggtopup.shop

Setup

Complete the following steps before sending API requests.

Setup Checklist
  • Create your GG Pay BD account.
  • Complete your profile.
  • Configure your payment methods.
  • Add and verify your website domain.
  • Generate your API credentials.

API Credentials

Credential Purpose
app-key Identifies your application.
secret-key Authenticates your request.
host-name Your registered website domain.
Security

Never expose your Secret Key in frontend JavaScript, public repositories or client-side mobile applications.

Payment Environment

GG Pay BD currently provides a live environment for real transactions.

Live Environment

Transactions created using the live environment are real transactions.

https://autopay.ggtopup.shop

Create Payment Endpoint

POST https://autopay.fasttopupbd.shop/request/payment/create

Create Payment

Send a POST request to create a new payment session.

Request Parameters

Parameter Type Description
cus_name string Required Customer name.
cus_email string Required Customer email address.
amount string Required Payment amount.
success_url string URL after successful payment.
cancel_url string URL after cancellation.

Request Headers

Header Value Purpose
Content-Type application/x-www-form-urlencoded Request format.
app-key YOUR_API_KEY API authentication.
secret-key YOUR_SECRET_KEY Secret authentication.
host-name example.com Registered domain.

Integration Examples

PHP cURL 
$curl = curl_init();

curl_setopt_array($curl, array(
    CURLOPT_URL => 'https://autopay.fasttopupbd.shop/request/payment/create',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_CUSTOMREQUEST => 'POST',

    CURLOPT_POSTFIELDS => array(
        'cus_name' => 'Demo User',
        'cus_email' => 'demo@gmail.com',
        'amount' => '10',
        'success_url' => 'https://example.com/success.php',
        'cancel_url' => 'https://example.com/cancel.php'
    ),

    CURLOPT_HTTPHEADER => array(
        'app-key: YOUR_API_KEY',
        'secret-key: YOUR_SECRET_KEY',
        'host-name: example.com'
    ),
));

$response = curl_exec($curl);

curl_close($curl);

echo $response;
PHP Guzzle 
use GuzzleHttp\Client;

$client = new Client();

$response = $client->post(
    'https://autopay.fasttopupbd.shop/request/payment/create',
    [
        'headers' => [
            'app-key' => 'YOUR_API_KEY',
            'secret-key' => 'YOUR_SECRET_KEY',
            'host-name' => 'example.com'
        ],

        'form_params' => [
            'cus_name' => 'Demo User',
            'cus_email' => 'demo@gmail.com',
            'amount' => '10',
            'success_url' => 'https://example.com/success.php',
            'cancel_url' => 'https://example.com/cancel.php'
        ]
    ]
);

echo $response->getBody();
Node.js / Axios 
const axios = require('axios');

const data = new URLSearchParams();

data.append('cus_name', 'Demo User');
data.append('cus_email', 'demo@gmail.com');
data.append('amount', '10');

data.append(
    'success_url',
    'https://example.com/success.php'
);

data.append(
    'cancel_url',
    'https://example.com/cancel.php'
);

axios.post(
    'https://autopay.fasttopupbd.shop/request/payment/create',
    data,
    {
        headers: {
            'app-key': 'YOUR_API_KEY',
            'secret-key': 'YOUR_SECRET_KEY',
            'host-name': 'example.com'
        }
    }
)
.then(response => {
    console.log(response.data);
})
.catch(error => {
    console.error(error);
});

Payment Response

After creating the payment session, redirect the customer to the payment page returned by your API response.

Successful Payment

Success Redirect

Your success URL may receive transaction information. 

success.php?transactionId=XXXX
&paid_by=bkash
&paymentAmount=10.00
&paymentFee=0.00
&success=1
&p_type=XXXX

Failed / Cancelled Payment

Cancel Redirect

Your cancel URL may receive: 

cancel.php?transactionId=XXXX
&paymentAmount=10.00
&paymentFee=0.00
&success=0

Returned Parameters

Parameter Type Description
transactionId string Unique transaction ID.
paymentAmount string Payment amount.
paymentFee string Payment fee.
success integer 1 = success, 0 = failed.
p_type string Payment method/type.

Verify Payment

Always verify a transaction from your backend before delivering products or services.

Important Security Rule

Do not trust only frontend redirect parameters. Verify the transaction server-to-server.

Verify Endpoint

POST https://autopay.fasttopupbd.shop/request/payment/verify

Verify Parameters

Parameter Type Description
transaction_id string Transaction ID that you want to verify.

PHP Verification

PHP cURL 
$curl = curl_init();

curl_setopt_array($curl, array(

    CURLOPT_URL => 'https://autopay.fasttopupbd.shop/request/payment/verify',

    CURLOPT_RETURNTRANSFER => true,

    CURLOPT_TIMEOUT => 30,

    CURLOPT_CUSTOMREQUEST => 'POST',

    CURLOPT_POSTFIELDS => array(
        'transaction_id' => 'TRANSACTION_ID'
    ),

    CURLOPT_HTTPHEADER => array(
        'app-key: YOUR_API_KEY',
        'secret-key: YOUR_SECRET_KEY',
        'host-name: example.com'
    ),

));

$response = curl_exec($curl);

curl_close($curl);

echo $response;

Example Response

Verified Transaction 
{
    "cus_name": "Demo User",
    "cus_email": "demo@gmail.com",
    "amount": "10",
    "transaction_id": "JJTG987652",
    "status": "1",
    "message": "success"
}

Verification Status

Status Meaning
1 Payment verified successfully.
0 Payment not verified.

Available Modules

Integration modules can be provided for supported platforms.

WHMCS
WHMCS Payment Module
Download
WordPress
WordPress Payment Module
Download
SMM Panel
SMM Panel Integration
Download
Sketchware
Android App Integration
Download
GG Pay BD
Automatic Payment Solution for Websites & Applications.
https://autopay.ggtopup.shop