A build-to-order WooCommerce payment integration that adds Sezzle and Zip (Quadpay) interest-free installment options at checkout, with on-site BNPL messaging on product and cart pages. ECOSIRE builds, installs and supports it on your site. One-time license from $99.00 USD for WooCommerce (build-to-order) — includes 12 months of updates and support.

A build-to-order WooCommerce payment integration that adds Sezzle and Zip (Quadpay) interest-free installment options at checkout, with on-site BNPL messaging on product and cart pages. ECOSIRE builds, installs and supports it on your site.
अभी कोई भुगतान नहीं। यह हमारी टीम को एक कोटेशन अनुरोध भेजता है — हम कीमत और अगले चरणों के साथ ईमेल द्वारा संपर्क करेंगे।
Sezzle / Zip BNPL for WooCommerce lets US and Australian merchants offer two more buy-now-pay-later choices alongside Klarna and Afterpay, so BNPL-preferring shoppers find their familiar lender at checkout instead of abandoning the cart. This is a build-to-order plugin — ECOSIRE develops it against your live Sezzle and Zip merchant accounts, installs it on your WordPress site, and supports it after launch. There is no instant WordPress.org or WooCommerce.com download.
Sezzle pay-in-4 registered as a native WooCommerce payment gateway (WC_Payment_Gateway), working in both the Checkout block and classic shortcode checkout
Zip (Quadpay) integration with the same gateway pattern for US and AU storefronts
Server-side order authorization against the Sezzle and Zip merchant APIs with hosted approval redirect and signed webhook/return validation before the order is marked processing
Product-detail-page BNPL messaging widget injected via woocommerce_single_product_summary using each provider's official messaging script and the live price
Cart and checkout-review installment messaging that reflects the real cart total, taxes and shipping
Eligibility and min/max cart rules: hide a method outside the lender's supported order value, restrict by shipping country, or exclude product categories
We register each provider as a proper WooCommerce payment gateway (WC_Payment_Gateway subclass), wired into the Checkout block and classic shortcode checkout. Each gateway authorizes against the Sezzle and Zip merchant APIs server-side, redirects the buyer to the lender's hosted approval flow, then validates the return and webhook callbacks before WooCommerce marks the order processing. Settings live in WooCommerce → Settings → Payments, with sandbox and production API keys, currency gating (USD/AUD), and per-gateway enable toggles.
On-site messaging renders pay-in-4 widgets on the single product page (via woocommerce_single_product_summary), in the cart and on the checkout review, using each provider's official messaging script and your real cart total — no fabricated APRs. Eligibility rules hide a method when the cart falls outside the lender's supported min/max order value, restricts by shipping country, or excludes specific product categories.
Refunds and reconciliation run through the WooCommerce refund UI: a full or partial refund calls the provider's refund endpoint and writes the lender reference into order notes. The build is HPOS-ready (custom order tables) and respects WordPress hooks/filters so your theme and other extensions stay intact. WPML/multisite and translated messaging strings are supported on request.
Already offers Afterpay or Klarna and wants Sezzle and Zip added so shoppers who prefer those lenders don't bounce at checkout, with messaging on product pages to set expectations early.
Sells in AUD and needs Zip and Sezzle wired correctly with currency gating, country restrictions and lender-accurate pay-in-4 messaging, without breaking the existing checkout.
Needs refunds to flow through the standard WooCommerce refund screen and lender references recorded in order notes and meta so monthly reconciliation against the Sezzle and Zip dashboards is clean.
Buy the license on ecosire.com and download the Sezzle / Zip BNPL for WooCommerce module ZIP from your account dashboard.
Extract the ZIP into your Odoo custom addons folder on the server (or upload via Apps > Install from file on Odoo.sh / runbot).
Activate Developer Mode, open Apps, click Update Apps List, search for Sezzle / Zip BNPL for WooCommerce, and press Install.
Open the new menu, paste your ECOSIRE license key, connect any external credentials (Shopify, Amazon, Stripe, etc.), and save.
Run the built-in connection test, sync your first 10 records, and schedule the recurring cron. Contact support if anything fails.
| Criterion | ECOSIRE | Custom Build | Competitor | Odoo Native |
|---|---|---|---|---|
| Sezzle and Zip both offered as native WooCommerce gateways | ||||
| PDP / cart / checkout BNPL messaging with live cart total | ||||
| Eligibility, min/max cart, country and category rules | ||||
| Refunds and reconciliation through standard WooCommerce refund UI | ||||
| HPOS (custom order tables) and Checkout block compatible | ||||
| Installed, configured and supported on your site by the provider | ||||
| Instant self-serve download from a public marketplace | ||||
| Tailored to your exact catalog, theme and tax/shipping setup |
This is build-to-order. After we confirm scope and you provide Sezzle and Zip sandbox credentials, a standard build, installation and sandbox testing typically takes about 5 to 10 business days. Heavier customization (custom eligibility logic, multisite/WPML, bespoke messaging placement) can extend that. We agree the timeline in writing before starting and install everything for you on your WordPress site.
We support the plugin we build for you: bug fixes, compatibility maintenance as WooCommerce, WordPress and the Sezzle/Zip APIs evolve, and help with credential rotation or settings changes. Support terms and any retainer are agreed up front. Because we install the code on your site, updates are delivered as a new plugin version that we apply or hand to your team — not pushed from a public marketplace.
Yes. ECOSIRE builds and configures the integration, but you must hold active merchant accounts with Sezzle and Zip. We connect the plugin to your accounts using your API keys, settle funds through the lenders directly, and never act as the payment processor ourselves.
Yes. The gateways are built to function in both the newer Checkout block and the classic shortcode checkout, and the plugin is HPOS-ready, using WooCommerce's custom order tables rather than legacy post meta. We confirm both checkout modes during sandbox testing on your actual theme.
Yes. The PDP, cart and checkout messaging use each provider's official messaging script and your live cart total, so the displayed pay-in-4 schedule comes from Sezzle and Zip themselves. We do not hardcode or invent installment figures, APRs or approval outcomes — eligibility and the final plan are always determined by the lender.
A build-to-order WooCommerce payment integration that adds Sezzle and Zip (Quadpay) interest-free installment options at checkout, with on-site BNPL messaging on product and cart pages. ECOSIRE builds, installs and supports it on your site.