Payment Gateway API Documentation

Introduction

This section describes the FlexyPay payment gateway API.

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

Supported Currencies

This section describes the currencies supported by FlexyPay

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

Currency Name	Currency Symbol	Currency Code
Central African Franc	xaf	XAF
USDT	Usdt	USDT
BTC	sats	SATS

Get The Api Key

This section describes how you can get your api key.

Login to your FlexyPay 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.

Live End Point: https://flexy-pay.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://flexy-pay.com/assets/images/logoIcon/logo.png',
        'checkout_theme' => 'dark',
        'customer_name' => 'John Doe',
        'customer_email' => 'john@mail.com',

    ];

    //live end point
    $url = "https://flexy-pay.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.",
    "payment_id": "eyJpdiI6Im5wMGtwSWFSekg0NU03b0dwVGxIRUE9PSIsInZhbHVlIjoiSGQ3cXo1aURZeDVuZW05bEVucVFNUzFkYWl6aHlCNEFRWUhqZmcxZDR3QT0iLCJtYWMiOiIxOTc4ZDUxYzJiOTdhM2M2ZGEzYjIyZTEyMjk0OGVkOTM4NjU4MjFhZmU0MmExYWMyMmExNGIzMDkwMGJhMGVmIiwidGFnIjoiIn0=",
    "url":"https://flexy-pay.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
}
?>

Check Payment Status

This section describes the process to check your payments.

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

Live End Point: https://flexy-pay.com/payment/check-payment-status

Request Method: GET

You will get following parameters below.

Param Name	Description
public_key	Required Your Public API key
payment_id	Required The Payment ID is gotten from the response after initiating the payment

Example PHP code

<?php
    $parameters = [
          "public_key"=> "5mm4usyp5c6xuetu4kumjz2f1n4g8a172gge2jmiavry17wdvd",
          "payment_id"=> "eyJpdiI6Inl5UmM0UFh3cERVR0I2eXBtc003b2c9PSIsInZhbHVlIjoiT0VueDd3N3E0cWQvbUlkdjNDWVJVM0M4dmhUNGVscndqdldzN3VNNGx0dz0iLCJtYWMiOiI3OGI4Y2MwMzM4ZjYxODNkOThkMjkyM2Y1OTRiYzBlZmM1NDJhMWZiNjRmOTI4MWQxMWMwZDk3Yjc4YmE4N2UxIiwidGFnIjoiIn0="
    ];

    //live end point
    $url = "https://flexy-pay.com/payment/check-payment-status";

    $ch = curl_init();
    curl_setopt($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",
    "payment": {
        "currency": null,
        "amount": "1000.00000000",
        "details": "Purchase T-shirt",
        "status": "Pending"
    }
}