OneCashPK Digital Crypto Wallet

Introduction

This section describes the OneCashPK payment gateway API.

OneCashPK API is easy to implement in your business software. Our API is well formatted URLs, accepts cURL requests, returns JSON responses.

You can use the API in test mode, which does not affect your live data. The API key is use to authenticate the request and determines the request is valid payment or not. For test mode just use the sandbox URL and In case of live mode use the live URL from section Initiate Payment .

Supported Currencies

This section describes the currencies supported by OneCashPK

OneCashPK allows to make transaction with below currencies. Any new currency may update in future.

Currency Name	Currency Symbol	Currency Code
United States Dollar	$	USD
Pakistani Rupee	Rs	PKR
Bitcoin	฿	BTC
Tron	TRX	TRX
Ethereum	ETH	ETH
Dogecoin	DGE	DOGE
USDT (TRC20)	TRC20	USDT.TRC20
USDT (BEP20)	BEP	USDT.BEP20
USDT (SOL)	SOL	USDT.SOL
Litecoin	LTC	LTC
Solana	SOLO	SOL
Monero	XMR	XMR
Ether Classic	ETC	ETC
DASH	DASH	DASH
BUSD (BSC Chain)	BUSD	BUSD.BEP20

Get The Api Key

This section describes how you can get your api key.

Login to your OneCashPK merchant account. If you don't have any ? Click Here

Next step is to find the Api Key menu in your dashboard sidebar. Click the menu.

The api keys can be found there which is Public key and Secret key. Use these keys to initiate the API request. Every time you can generate new API key by clicking Generate Api Key button. Remember do not share these keys with anyone.

Initiate Payment

This section describes the process of initaiing the payment.

To initiate the payment follow the example code and be careful with the perameters. You will need to make request with these following API end points.

End Point: https://onecashpk.com/payment/initiate

Request Method: POST

Request to the end point with the following parameters below.

Param Name	Param Type	Description
public_key	string (50)	Required Your Public API key
identifier	string (20)	Required Identifier is basically for identify payment at your end
currency	string (4)	Required Currency Code, Must be in Upper Case. e.g. USD,EUR
amount	decimal	Required Payment amount.
details	string (100)	Required Details of your payment or transaction.
ipn_url	string	Required The url of instant payment notification.
success_url	string	Required Payment success redirect url.
cancel_url	string	Required Payment cancel redirect url.
site_logo	string/url	Required Your business site logo.
checkout_theme	string	Optional Checkout form theme dark/light. Default theme is light
customer_name	string (30)	Required Customer name.
customer_email	string (30)	Required Customer valid email.

Example PHP code

<?php
$parameters = [
    'identifier' => 'DFU80XZIKS',
    'currency' => 'USD',
    'amount' => 100.00,
    'details' => 'Purchase T-shirt',
    'ipn_url' => 'http://example.com/ipn_url.php',
    'cancel_url' => 'http://example.com/cancel_url.php',
    'success_url' => 'http://example.com/success_url.php',
    'public_key' => 'your_public_key',
    'site_logo' => 'https://onecashpk.com/assets/images/logoIcon/logo.png',
    'checkout_theme' => 'dark',
    'customer_name' => 'John Doe',
    'customer_email' => '[email protected]',

];

//end point
$url = 'https://onecashpk.com/payment/initiate';


$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POSTFIELDS,  $parameters);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
curl_close($ch);

//$result contains the response back.
?>

Example Responses


//Error Response.
{
    "error": "true",
    "message": "Invalid api key"
}

//Success Response.
{
    "success": "ok",
    "message": "Payment Initiated. Redirect to url.",
    "url":"http://example.com/initiate/payment/checkout?payment_id=eJSAASDxdrt4DASDASVNASJA7893232432cvmdsamnvASF"
}

Validate The Payment and IPN

This section describes the process to get your instant payment notification.

To initiate the payment follow the example code and be careful with the perameters. You will need to make request with these following API end points.

End Point: Your business application ipn url.

Request Method: POST

You will get following parameters below.

Param Name	Description
status	Payment success status.
identifier	Identifier is basically for identify payment at your end.
signature	A hash signature to verify your payment at your end.
data	Data contains some basic information with charges, amount, currency, payment transaction id etc.

Example PHP code


<?php

//Receive the response parameter
    $status = $_POST['status'];
    $signature = $_POST['signature'];
    $identifier = $_POST['identifier'];
    $data = $_POST['data'];

    // Generate your signature
    $customKey = $data['amount'].$identifier;
    $secret = 'YOUR_SECRET_KEY';
    $mySignature = strtoupper(hash_hmac('sha256', $customKey , $secret));

    $myIdentifier = 'YOUR_GIVEN_IDENTIFIER';

    if($status == "success" && $signature == $mySignature &&  $identifier ==  $myIdentifier){
        //your operation logic
    }
?>

Developer Api Documentation

Introduction

Supported Currencies

Get The Api Key

Initiate Payment

Validate The Payment and IPN

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