UpiFast Payments API Documentation

This API allows you to create and manage UPI PayIN transactions using the UpiFast platform.

1️⃣ Endpoint PayIN API

POST https://upifast.xyz/api/create-order

Request Parameters

Parameter	Type
customer_mobile	integer
customer_name	string
user_token	string
amount	float
order_id	string
redirect_url	url
remark1	string
remark2	string

2️⃣ Example – Create PayIN Request

<?php
$api_url = 'https://upifast.xyz/api/create-order';

$post_data = [
  'customer_mobile' => '8145344963',
  'customer_name' => 'Your Name',
  'user_token' => 'your_api_key',
  'amount' => '1',
  'order_id' => '8787772321800',
  'redirect_url' => 'https://upifast.xyz/success',
  'remark1' => 'testremark',
  'remark2' => 'testremark2'
];

$ch = curl_init($api_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
$response = curl_exec($ch);
curl_close($ch);
echo $response;
?>

Response (Success)

{
"status": true,
"message": "Order Created Successfully",
"result": {
"orderId": "123456170547510",
"payment_url": "https://upifast.xyz/payment/MTIzNDU2"
}
}

Response (Error)

{
"status": false,
"message": "Your Plan Expired Please Renew"
}

3️⃣ Endpoint for PayIN Status

POST https://upifast.xyz/api/check-order-status

Parameter	Type
user_token	string
order_id	string

4️⃣ Example – Check PayIN Status

<?php
$api_url = 'https://upifast.xyz/api/check-order-status';

$post_data = [
'user_token' => 'your_api_key',
'order_id' => '8787772321800'
];

$ch = curl_init($api_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
$response = curl_exec($ch);
curl_close($ch);
echo $response;
?>

5️⃣ Example – Webhook Response

<?php
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$status = $_POST['status'];
$order_id = $_POST['order_id'];
$customer_mobile = $_POST['customer_mobile'];
$amount = $_POST['amount'];
$remark1 = $_POST['remark1'];
$remark2 = $_POST['remark2'];
}
?>