Contact person: Android WebView UPI Integration

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Location: Delhi, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"My mobile-friendly website (opened through an Android WebView inside our app) needs a lightweight UPI-intent gateway. When the customer taps “Pay”, it should instantly launch Google Pay, Paytm, or PhonePe with the amount, payee VPA, remark and transaction reference already filled in. I do not want any extra OTP or biometric step; the normal confirmation inside the UPI app is enough.

Key points
• Platform: Android only – solution must work reliably inside a WebView, not just the mobile browser.
• Apps to support: Google Pay, Paytm, PhonePe via standard UPI intent / deep-linking.
• Documentation hassle: keep it minimal. I’m looking for a self-hosted or third-party flow that onboards with little or no compliance paperwork.

What I expect from you
– A plug-and-play JavaScript / HTML snippet or small middleware (Node/PHP/Java—your call) that receives order details from my server and generates the correct intent link.
– Clear parameters for amount, VPA, order ID, callback URL, and status handling.
– One test page plus integration instructions so my developer can drop it straight into production.
– Brief note on any edge-cases you handle (app not installed, user cancels, etc.) and graceful fallbacks.

Deliver, explain, and let me run a quick end-to-end test on my own Google Pay, Paytm, and PhonePe accounts; once all three succeed, the job is done." (client-provided description)