Need HTML,CSS, JS, expert to integration UPI Payment

UPI integration API is ready, giving required responses, We require HTML pages which can post request and wait for the responses, as you have seen on the websites or done some payments on the web. while we select upi payment, it asks for our upi and wait untill payment is completed. This html,css,js part needs to be done. Anyone who is interested and have done upi integrations can bid. bidder should be experienced, Payment will be done after project is mark completed