Integration Steps

internal func showPaymentForm(){
    let options: [String:Any] = [
                "key": "YOUR_KEY_ID",
                "amount": "100", // This is in currency subunits. 
                "currency": "INR",// We support more that 92 international currencies.
                "description": "purchase description",
                "order_id": "order_DBJOWzybf0sJbb",
                "image": "https://url-to-image.jpg",
                "name": "business or product name",
                "prefill": [
                    "contact": "+919876543210",
                    "email": "gaurav.kumar@example.com"
                ],
                "theme": [
                    "color": "#F37254"
                ]
            ]
    razorpay.open(options)
}
```objectivec: ViewController.m
- (void)showPaymentForm { // called by your app
NSDictionary *options = @{
                            @"key": @"YOUR_KEY_ID",
                            @"amount": @"1000",  // This is in currency subunits. 
                            // all optional other than amount.
                            @"currency": @"INR",  // We support more that 92 international currencies.
                            @"image": @"https://url-to-image.jpg",
                            @"name": @"business or product name",
                            @"description": @"purchase description",
                            @"order_id": @"order_4xbQrmEoA5WJ0G",
                            @"prefill" : @{
                                @"email": @"gaurav.kumar@example.com",
                                @"contact": @"+919876543210"
                            },
                            @"theme": @{
                                @"color": @"#F37254"
                            }
                        };
    [razorpay open:options];
}

LSApplicationQueriesSchemes

    tez
    phonepe
    paytmmp
    credpay
    mobikwik
    in.fampay.app
    bhim
    amazonpay
    navi
    kiwi
    payzapp
    jupiter
    omnicard
    icici
    popclubapp
    sbiyono
    myjio
    slice-upi
    bobupi
    shriramone
    indusmobile
    whatsapp
    kotakbank

let options: [String:Any] = [
  "key": "YOUR_KEY_ID",  
  "order_id": "order_DBJOWzybfXXXX", 
  "customer_id": "cust_BtQNqzmBlXXXX",  
  "prefill": [
    "contact": "+919000090000",
    "email": "gaurav.kumar@example.com"
  ],
  "image": "https://spaceplace.nasa.gov/templates/featured/sun/sunburn300.png",
  "amount": 10000,  // Amount should match the order amount 
  "currency": "INR",
  "recurring": 1  // This key value pair is mandatory for Intent Recurring Payment.
]
```objectivec: ViewController.m
NSDictionary *options = @{
    @"key": @"YOUR_KEY_ID",
    @"order_id": @"order_DBJOWzybfXXXX",
    @"customer_id": @"cust_BtQNqzmBlXXXX",
    @"prefill": @{
        @"contact": @"+919000090000",
        @"email": @"gaurav.kumar@example.com"
    },
    @"image": @"https://spaceplace.nasa.gov/templates/featured/sun/sunburn300.png",
    @"amount": @(10000), // Amount should match the order amount 
    @"currency": @"INR",
    @"recurring": @(1)  // This key value pair is mandatory for Intent Recurring Payment.
};

extension CheckoutViewController : RazorpayPaymentCompletionProtocol {

    func onPaymentError(_ code: Int32, description str: String) {
        print("error: ", code, str)
        self.presentAlert(withTitle: "Alert", message: str)
    }

    func onPaymentSuccess(_ payment_id: String) {
        print("success: ", payment_id)
        self.presentAlert(withTitle: "Success", message: "Payment Succeeded")
    }
}
```objectivec: ViewController.m
- (void)onPaymentSuccess:(NSString *)payment_id {
[self showAlertWithTitle:SUCCESS_TITLE
                andMessage:[NSString
                            stringWithFormat:SUCCESS_MESSAGE, payment_id]];
}

- (void)onPaymentError:(int)code description:(NSString *)str {
[self showAlertWithTitle:FAILURE_TITLE
                andMessage:[NSString
                            stringWithFormat:FAILURE_MESSAGE, code, str]];
}

 extension CheckoutViewController: RazorpayPaymentCompletionProtocolWithData {

     func onPaymentError(_ code: Int32, description str: String, andData response: [AnyHashable : Any]?) {
         print("error: ", code)
         self.presentAlert(withTitle: "Alert", message: str)
     }

     func onPaymentSuccess(_ payment_id: String, andData response: [AnyHashable : Any]?) {
         print("success: ", payment_id)
         self.presentAlert(withTitle: "Success", message: "Payment Succeeded")
     }
 }
 ```objectivec: ViewController.m
 - (void)onPaymentError:(int32_t)code description:(NSString * _Nonnull)str andData:(NSDictionary * _Nullable)response {
     NSLog(@"%@ %@",str, response);
 }
 - (void)onPaymentSuccess:(NSString * _Nonnull)payment_id andData:(NSDictionary * _Nullable)response {
     NSLog(@"%@ %@",payment_id, response);
 }

{
  "razorpay_payment_id": "pay_29QQoUBi66xm2f",
  "razorpay_order_id": "order_9A33XWu170gUtm",
  "razorpay_signature": "9ef4dffbfd84f1318f6739a3ce19f9d85851857ae648f114332d8401e0949a3d"
}

RazorpayClient razorpay = new RazorpayClient("[YOUR_KEY_ID]", "[YOUR_KEY_SECRET]");

String secret = "EnLs21M47BllR3X8PSFtjtbd";

JSONObject options = new JSONObject();
options.put("razorpay_order_id", "order_IEIaMR65cu6nz3");
options.put("razorpay_payment_id", "pay_IH4NVgf4Dreq1l");
options.put("razorpay_signature", "0d4e745a1838664ad6c9c9902212a32d627d68e917290b0ad5f08ff4561bc50f");

boolean status =  Utils.verifyPaymentSignature(options, secret);

```php: PHP
$api = new Api($key_id, $secret);

$api->utility->verifyPaymentSignature(array('razorpay_order_id' => $razorpayOrderId, 'razorpay_payment_id' => $razorpayPaymentId, 'razorpay_signature' => $razorpaySignature));

```ruby: Ruby
require "razorpay"
Razorpay.setup('YOUR_KEY_ID', 'YOUR_SECRET')

payment_response = {
       razorpay_order_id: 'order_IEIaMR65cu6nz3',
       razorpay_payment_id: 'pay_IH4NVgf4Dreq1l',
       razorpay_signature: '0d4e745a1838664ad6c9c9902212a32d627d68e917290b0ad5f08ff4561bc50f'
     }
Razorpay::Utility.verify_payment_signature(payment_response)

```python: Python
import razorpay
client = razorpay.Client(auth=("YOUR_ID", "YOUR_SECRET"))

client.utility.verify_payment_signature({
  'razorpay_order_id': razorpay_order_id,
  'razorpay_payment_id': razorpay_payment_id,
  'razorpay_signature': razorpay_signature
  })

```c: .NET
RazorpayClient client = new RazorpayClient("[YOUR_KEY_ID]", "[YOUR_KEY_SECRET]");

Dictionary options = new Dictionary();
options.Add("razorpay_order_id", "order_IEIaMR65");
options.Add("razorpay_payment_id", "pay_IH4NVgf4Dreq1l");
options.Add("razorpay_signature", "0d4e745a1838664ad6c9c9902212a32d627d68e917290b0ad5f08ff4561bc50");

Utils.verifyPaymentSignature(options);

```nodejs: Node.js
var instance = new Razorpay({ key_id: 'YOUR_KEY_ID', key_secret: 'YOUR_SECRET' })

var { validatePaymentVerification, validateWebhookSignature } = require('./dist/utils/razorpay-utils');
validatePaymentVerification({"order_id": razorpayOrderId, "payment_id": razorpayPaymentId }, signature, secret);

```Go: Go
import ( razorpay "github.com/razorpay/razorpay-go" )
client := razorpay.NewClient("YOUR_KEY_ID", "YOUR_SECRET")

params := map[string]interface{}{
 "razorpay_order_id": "order_IEIaMR65cu6nz3",
 "razorpay_payment_id": "pay_IH4NVgf4Dreq1l",
}

signature := "0d4e745a1838664ad6c9c9902212a32d627d68e917290b0ad5f08ff4561bc50f";
secret := "EnLs21M47BllR3X8PSFtjtbd";
utils.VerifyPaymentSignature(params, signature, secret)