{ 
    "email"       : "test@jondoe.com",                                                  
    "amount"      : "30.00",                                                            
    "currency"    : "USD",                                                              
    "return_url"  : "https://mysite.com/redirect/dce35d90-fc2e-4a43-a900-1872d9c00890", 
    "notify_url"  : "https://mysite.com/notify/ce35d90-fc2e-4a43-a900-1872d9c00890",    
    "merchant_ref": "ce35d90-fc2e-4a43-a900-1872d9c00890",                              
}

// Not required in request. This data will be prefilled into checkout page.

"search_key": "Rent",			// If you want transaction in multi category
"select_type_id"   : "1",   			1 = Credit Card, 2 = Debit Card, 3 = UPI, 4 = Wallet, 5 = Net banking, 8 = BNPL, 9 = emi, 10 = e-challan
"other_data": {
    "first_name"  : "your-name",    
    "last_name"   : "your-name",    
    "address"     : "address",      
    "state"       : "state",        
    "city"        : "city",         
    "zip"         : "zip",          
    "country"     : "IN",             // Two alphabet country code
    "phone_no"    : "phone number", 
    "card_no"     : "card number",  
    "customer_vpa": "upi id",       
	"products": [
            {
                "product_id"  :  "prod_001",                               
                "name"        :  "Product Name 1",                         
                "quantity"    :  "2",                                      
                "price"       :  "50.00",                                  
                "description" :  "This is a great product.",               
                "product_code":  "SKU12345",                               
                "image_url"   :  "https://mysite.com/images/prod_001.jpg", 
                "category"    :  "Electronics",                            
                "tax_rate"    :  "0.07",                                   
                "discount"    :  "5.00",                                   
                "weight"      :  "1.5kg",                                  
               
            },
            {
                "product_id"  :  "prod_002",                               
                "name"        :  "Product Name 2",                         
                "quantity"    :  "1",                                      
                "price"       :  "40.00",                                  
                "description" :  "This product is amazing.",               
                "product_code":  "SKU8765",                               
                "image_url"   :  "https://mysite.com/images/prod_002.jpg", 
                "category"    :  "Electronics",                            
                "tax_rate"    :  "0.04",                                   
                "discount"    :  "8.00",                                   
                "weight"      :  "2.5kg",                                  
            }
        ]
}

{
    "responseCode": 400,                                   
    "response"    : "Validation failed, please try again", 
    "status"      : "validation_error",                    
    "errors"      : {
        "validation": [
            "The email field is required.",
            "The amount field is required.",
            "The currency field is required.",
            "The return url field is required."
        ]
    }
}

{ 
	"first_name"     : "Naina",                                                                                     
	"last_name"      : "Manne",                                                                                     
	"address"        : "E-78 Ground Floor, Near Bengali Sweet Center, Har Gyan Singh Arya Marg, South Extension I", 
	"country"        : "IN",                                                                                        
	"state"          : "Delhi",                                                                                     
	"city"           : "Delhi",                                                                                     
	"zip"            : "110049",                                                                                    
	"phone_no"       : "9810117094",                                                                                
	"email"          : "naina@gmail.com",                                                                           
	"amount"         : "30.00",                                                                                     
	"currency"       : "INR",                                                                                       
	"return_url"     : "https://webhook.site/c06b84e5-1c75-43de-b00f-59895354b07d",                                 
	"notify_url"     : "https://webhook.site/c06b84e5-1c75-43de-b00f-59895354b07d",                                 
	"merchant_ref"   : "wer345t-fc2e-4a43-a900-1872d9c00890",                                                       
	"type_id"        : "1",                                                                                         
	"card_no"        : "4111111111111111",                                                                          
	"ccexpiry_month" : "01",                                                                                        
	"ccexpiry_year"  : "2029",                                                                                      
	"cvv_number"     : "123",                                                                                       
	"customer_vpa"   : "test@upi",      // In case of type_id = 3 which is for UPI                                  
	"search_key"   	 : "Rent",      	  // If you want transaction in multi category                                

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL            => 'https://admin.payomatix.com/payment/merchant/seamless/transaction',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => json_encode([
        'first_name'     => 'John',
        'last_name'      => 'Doe',
        'email'          => 'user@upi',
        'phone_no'       => '9898989898',
        'address'        => 'Delhi',
        'country'        => 'IN',
        'state'          => 'Delhi',
        'city'           => 'Delhi',
        'zip'            => '101010',
        'amount'         => '10',
        'currency'       => 'INR',
        'type_id'        => '3',
        'return_url'     => 'http://127.0.0.1/api/payomatix/response.php',
        'notify_url'     => 'http://127.0.0.1/api/payomatix/response.php',
        'merchant_ref'   => 'SSL_dfs43534d',
        'search_key'     => 'SSL_4545s43534d',
        'card_no'        => '4242424242424242',
        'ccexpiry_month' => '12',
        'ccexpiry_year'  => '2025',
        'cvv_number'     => '852',
        'customer_vpa'   => 'user@upi',  // Mandatory for UPI collect, but not required for UPI intent
		]),
    CURLOPT_HTTPHEADER     => [
		'Authorization: Secret_key', // Replace with actual secret key
		'Content-Type :application/json',
		'User-Agent   :'.$_SERVER['HTTP_USER_AGENT'], // Dynamic user agent
    ],
]);

$response = curl_exec($curl);
curl_close($curl);

echo $response;
?>
    

{
    "responseCode": 400,                                   
    "response"    : "Validation failed, please try again", 
    "status"      : "validation_error",                    
    "errors"      : {
        "validation": [
            "The card no field is required.",
            "The ccexpiry month field is required.",
            "The ccexpiry year field is required.",
            "The cvv number field is required."
        ]
    }
}

{ 
    "merchant_ref": "ORDER78945",
    "order_id": "I7EHJ0m4-FpI0-Q9W3-16493264720K"
}

{
    "responseCode": 400,                                   
    "response"    : "Validation failed, please try again", 
    "status"      : "validation_error",                    
    "errors"      : {
        "validation": [
            "The merchant ref field is required when order id is not present.", 
            "The order id field is required when merchant ref is not present."
        ]
    }
}