curl --request POST \
  --url https://staging.payzio.org/payments/onsite/payin \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "money": {
    "amount": 12550,
    "currency": "INR"
  },
  "merchant_order_no": "<string>",
  "callback_url": "<string>",
  "phone": "<string>",
  "user_details": {
    "phone_number": "<string>",
    "user_name": "<string>",
    "email": "<string>"
  }
}
'

{
  "success": true,
  "payment_id": "<string>",
  "payment_url": "<string>",
  "amount": 123,
  "currency": "<string>",
  "message": "<string>"
}