EthicsComputer Assistant
Online • Fast Response
A slow checkout or unverified browser redirect destroys transaction conversion and creates ghost orders. We engineer hardened, server-side payment pipelines with cryptographic HMAC-SHA256 signature verification, instant UPI intent, and asynchronous webhook reconciliation.
Flawed payment code leads to lost orders, ghost balances, customer chargebacks, and checkout abandonment.
If a buyer closes their mobile browser before the bank redirects back to your success page, the payment is captured but the order never triggers.
Amateur integrations passing price amounts directly from HTML form fields allow malicious users to alter ₹5,000 items to ₹1 in Developer Tools.
Requiring mobile shoppers to manually type their Virtual Payment Address (VPA) instead of deep-linking Google Pay or PhonePe causes 40%+ drop-offs.
Lack of automated webhook syncing creates manual reconciliation headaches at month-end when trying to match bank deposits against GST invoices.
From domestic Indian UPI AutoPay mandates to international multi-currency Stripe checkouts.
Direct integration supporting seamless UPI intent, Credit/Debit cards with tokenization, Net Banking across 50+ banks, and cardless EMI.
Global payment gateway accepting USD, EUR, GBP, and international cards with 3D Secure 2 authentication and automated foreign currency conversion.
Generate instant transaction-specific QR codes on desktop checkout and billing kiosk screens with automatic polling for payment confirmation.
Automated recurring subscription debits under RBI e-mandate rules via UPI AutoPay, eliminating manual monthly invoice follow-ups.
Asynchronous background webhook endpoints that process payment events with guaranteed idempotency, preventing double-crediting of customer wallets.
Marketplace platforms with automated commission deduction and instant vendor account settlements via Cashfree/Razorpay Payout APIs.
Financial transactions require absolute cryptographic verification. We engineer multiple defense layers ensuring that not a single rupee can be falsified.
We maintain direct SDK integration experience across leading Indian and global payment processors.
For domestic Indian transactions, Razorpay and Cashfree offer the highest UPI success rates, lowest transaction fees (typically 1.8%–2%), and excellent developer tools. For accepting international credit cards and global currencies, Stripe is the premier choice.
We enforce strict server-side transaction generation and cryptographic HMAC-SHA256 signature verification on all webhook callbacks. Transaction amounts are never trusted from the client-side browser.
Yes. We integrate UPI AutoPay and e-Mandate protocols that allow customers to authorize recurring monthly or annual subscription debits directly from their UPI apps (Google Pay, PhonePe, Paytm).
Because our architecture relies on asynchronous server-to-server (S2S) webhooks rather than client-side redirects, the gateway notifies our backend directly within 800ms. The order is fulfilled, access is granted, and confirmation is sent even if the user closed their tab.
Automated ledger reconciliation, bank statement syncing, and corporate compliance.
Custom e-commerce platforms, multi-tenant billing engines, and transactional databases.
Lightning-fast mobile checkout interfaces engineered for sub-second Core Web Vitals.
Tell us what you're trying to build, improve or fix. We'll start with the technical requirement.
Receive preliminary project architecture, pricing tiers, and timeline estimates within 15 minutes under strict NDA.