Need to integrate phonepe UPI merchant in Android App with PHP backend -- 2

We need to integrate Phonepe UPI payment in the android app, it's not just UPI intent forward, we need to integrate phonepe API to make an order and get status order everything, so both Android and PHP work needed, after awarded to you, we will share the API key details

PhonePe API doc link: https://developer.phonepe.com/reference#accept-payment-android

If you have experience on phonepe API then bid.
Single milestone, if you did we will pay, otherwise, we will cancel it.