1. Build Integration

curl -X POST https://api.razorpay.com/v1/orders
-U [YOUR_KEY_ID]:[YOUR_KEY_SECRET]
-H 'content-type:application/json'
-d '{
 "amount": 500,
 "currency": "INR",
 "receipt": "qwsaq1",
 "partial_payment": true,
 "first_payment_min_amount": 230,
 "notes": {
   "key1": "value3",
   "key2": "value2"
 }
}'

{
 "id": "order_IluGWxBm9U8zJ8",
 "entity": "order",
 "amount": 5000,
 "amount_paid": 0,
 "amount_due": 5000,
 "currency": "INR",
 "receipt": "rcptid_11",
 "offer_id": null,
 "status": "created",
 "attempts": 0,
 "notes": [],
 "created_at": 1642662092
}

npm i -S https://github.com/razorpay/razorpay-capacitor.git #installs plugin that supports Capacitor 6.0

-keepclassmembers class * {
    @android.webkit.JavascriptInterface <methods>;
}

-keepattributes JavascriptInterface
-keepattributes *Annotation*

-dontwarn com.razorpay.**
-keep class com.razorpay.** {*;}

-optimizations !method/inlining/*

-keepclasseswithmembers class * {
  public void onPayment*(...);
}

import com.ionicframework.capacitor.Checkout;

public class MainActivity extends BridgeActivity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    registerPlugin(Checkout.class);
  }
}

import { Checkout } from 'capacitor-razorpay';

@Component({
  selector: 'app-home',
  templateUrl: 'home.page.html',
  styleUrls: ['home.page.scss'],
})
export class HomePage {

  constructor(private alertController: AlertController) {}

  async payWithRazorpay(){
    const options = {
      key: '[YOUR_KEY_ID]',
      amount: '100',
      description: 'Great offers',
      image: 'https://i.imgur.com/3g7nmJC.jpg',
      order_id: 'order_Cp10EhSaf7wLbS',//Order ID generated in Step 1
      currency: 'INR',
      name: 'Acme Corp',
      prefill: {
        email: 'gaurav.kumar@example.com',
        contact: '9191919191'
      },
      theme: {
        color: '#3399cc'
      }
    }
    try {
      let data = (await Checkout.open(options));
      console.log(data.response+"AcmeCorp");
      console.log(JSON.stringify(data))
    } catch (error) {
      //it's paramount that you parse the data into a JSONObject
      let errorObj = JSON.parse(error['code'])
      alert(errorObj.description);
      alert(errorObj.code);

      alert(errorObj.reason);
      alert(errorObj.step);
      alert(errorObj.source);
      alert(errorObj.metadata.order_id);
      alert(errorObj.metadata.payment_id);

    }

  async presentAlert(response: string){
    // let responseObj = JSON.parse(response)
    console.log("message"+ response['razorpay_payment_id']);
    const alert = await this.alertController.create({
      message:response['razorpay_payment_id'],
      backdropDismiss: true,
    });

    await alert.present();
  }

}

<key>LSApplicationQueriesSchemes</key>
<array>
    <string>tez</string>
    <string>phonepe</string>
    <string>paytmmp</string>
    <string>credpay</string>
    <string>mobikwik</string>
    <string>freecharge</string>
    <string>in.fampay.app</string>
    <string>bhim</string>
    <string>amazonpay</string>
    <string>navi</string>
    <string>kiwi</string>
    <string>payzapp</string>
    <string>jupiter</string>
    <string>omnicard</string>
    <string>icici</string>
    <string>popclubapp</string>
    <string>sbiyono</string>
    <string>myjio</string>
    <string>slice</string>
    <string>bobupi</string>
    <string>shriramone</string>
    <string>indusmobile</string>
    <string>whatsapp</string>
</array>

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.
]

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);

installer.pods_project.build_configurations.each do |config|
  config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
end