Cashfree / Instamojo UPI Gateway for WooCommerce is a custom-built payment gateway plugin for Indian merchants who want a UPI-first checkout that settles fast. ECOSIRE builds it to your store's exact configuration, then installs and configures it on your WordPress site — this is not an instant WooCommerce.com download.

Under the hood it registers a WC_Payment_Gateway subclass through the woocommerce_payment_gateways filter, so it appears natively under WooCommerce → Settings → Payments. Customers get UPI intent (deep-link to GPay/PhonePe/Paytm on mobile), UPI collect (enter VPA), and a dynamic UPI QR for desktop, alongside cards, net banking and wallets through your chosen processor — Cashfree Payment Gateway or Instamojo.

We wire the full lifecycle: an order-pay redirect or seamless modal, a server-to-server webhook listener (registered via add_action('woocommerce_api_{slug}', ...)) that verifies the signature, transitions orders through payment_complete(), and writes the gateway transaction/UTR reference to order meta. Refunds are handled from the WooCommerce order screen and sync back via webhook so partial and full refunds reconcile. Where your processor and MID support it, we enable the instant / T+0 settlement option and surface settlement status in order notes.

The plugin is HPOS-compatible (declares custom_order_tables support so it works with WooCommerce's high-performance order storage), respects WP-Cron for any pending-status reconciliation sweeps, and is WPML/multilingual-aware at checkout. Payment links and subscription flows are supported where the gateway's API allows. You get clean, documented code, sandbox-tested against your live theme and checkout, and a named ECOSIRE engineer for handover.