curl --location '{api_base_url}/payorder' \
--header 'x-client-id: <App ID>' \
--header 'x-client-secret: <Secret Key>' \
--header 'order-source: rest-api' \
--data-raw '{
    "kwikX_order_id": "<pass kwikX_order_id from Order API (Web API)>",
    "payment_method": {
        "upi": {
           "upi_id": "sandbox@oonepe",
            "channel": "collect"
        }
    }
}'
{
  "code": "200",
  "status": "success",
  "message": "API authentication successful!",
  "return_data": {
    "kwikX_payment_id": "pay_fd42469ffc0b103",
    "created_at": "09-08-2023 03:07 PM",
    "payment_status": "Created",
    "payment_method": {
      "upi": {
        "upi_id": "oonepe@sandbox",
        "channel": "collect",
        "payLink": "",
        "payqr": "",
        "deepLink":""
      }
    }
  }
}