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Payzum Crypto & Stablecoin Payments for WooCommerce

Accept crypto & stablecoin payments (USDC, USDT, multi-chain) in WooCommerce with Payzum — non-custodial crypto payment gateway plugin for WordPress

by Payzum · github.com/payzum-dev/woocommerce-payzum · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/payzum-dev/woocommerce-payzum/archive/refs/heads/main.zip
Readme github.com/payzum-dev/woocommerce-payzum ↗

Payzum for WooCommerce — Accept Crypto & Stablecoin Payments (USDC, USDT)

Accept cryptocurrency and stablecoin payments (USDC, USDT and more, multi-chain) in WooCommerce through Payzum — non-custodial: funds settle directly to your own wallet, Payzum never takes custody. No chargebacks, no card networks, no PCI surface.

  • Plugin: payzum-crypto-payments · Version: 1.5.0 · License: GPL-2.0-or-later
  • Requires: WordPress ≥ 5.6, WooCommerce ≥ 5.0 (tested up to 11.0), PHP ≥ 8.1
  • Compatible with: WooCommerce Blocks checkout and HPOS (High-Performance Order Storage)

How it works

  1. The buyer picks Payzum at checkout and is redirected to a hosted checkout page (QR code + deposit address, live status), where they choose the coin and chain and send the payment. No wallet or card data touches your server.
  2. Crypto confirmation is asynchronous, so the order is marked paid from Payzum's signed server-to-server IPN webhook, never from the buyer's browser return — a closed tab never loses a paid order.
  3. Every webhook is verified with HMAC-SHA-512 over the raw request bytes (constant-time compare, replay window) before a single field of it is read. Redelivered webhooks are deduplicated, so an order is never fulfilled twice.

Features

  • Stablecoin-first: USDC and USDT across multiple chains (Polygon, Ethereum, Arbitrum, Base, Optimism, Tron, Solana and more), plus major cryptocurrencies.
  • Non-custodial — payments settle to the merchant's own wallet.
  • Hosted checkout — no card fields, no crypto handling, no PCI scope.
  • Signed IPN webhooks (HMAC-SHA-512) settle orders server-side.
  • Currency allowlist — accept everything, or restrict the coins offered at checkout with a multi-select populated live from the Payzum API.
  • Production / staging selector built into the settings screen.
  • Zero chargebacks — crypto payments are final.

Installation

Upload the payzum-crypto-payments folder to /wp-content/plugins/ (or install the zip via Plugins → Add New → Upload), then activate it. The official payzum/payzum-php SDK is vendored, so no composer step is needed.

Configuration

Go to WooCommerce → Settings → Payments → Payzum:

Setting Meaning
API key From your Payzum merchant dashboard
Webhook secret Verifies incoming payment webhooks (IPN)
Accepted currencies Optional multi-select; empty accepts every coin your merchant account allows
Environment Production or staging (staging needs its own API key)
Debug log Writes to WooCommerce → Status → Logs, source payzum

The settings screen shows your store's IPN URL (https://<your-store>/wc-api/wc_gateway_payzum) read-only — paste it into the Payzum dashboard webhook settings. The signature header is fixed; nothing to configure.

Order status mapping

Payzum payment status WooCommerce order status
finished Payment complete (processing/completed)
partially_paid On hold (underpaid — the buyer sent less than the invoice)
expired Cancelled
failed Failed
anything else Order note only, status unchanged

FAQ

Is Payzum custodial? No. Funds settle directly to your own wallet — Payzum never holds your money.

Which stablecoins and networks can my store accept? USDC and USDT on the major chains (Polygon, Ethereum, Arbitrum, Base, Optimism, Tron, Solana, …), plus native assets. The exact list is your merchant allowlist, configured in the Payzum dashboard and enforced server-side.

Do buyers need an account? No. They scan a QR or copy a deposit address from the hosted checkout and pay from any wallet.

What about chargebacks? There are none — crypto payments are final, which eliminates chargeback fraud.

Does it work with the WooCommerce block-based checkout? Yes, the gateway registers WooCommerce Blocks support, and it declares HPOS compatibility.

What data is shared with Payzum? Only the order total, currency, an order reference and your store's callback URLs — no customer personal data. Endpoints: https://merchant.payzum.com (production), https://staging.payzum.com (staging).

Payzum ships official plugins for most major e-commerce, donation and billing platforms — Magento 2, PrestaShop, Shopware 6, OpenCart, Zen Cart, nopCommerce, Ecwid, BigCommerce, Shopify, Wix, Medusa, Vendure, Saleor, Sylius, Easy Digital Downloads, GiveWP, Paid Memberships Pro, WHMCS, Blesta, HostBill, ClientExec, pretix, Frappe/ERPNext, Akaunting and django-payments — plus official SDKs for PHP, Node.js/TypeScript, Python and Rust. Browse them all at github.com/payzum-dev.

About Payzum

Payzum is a non-custodial crypto payment gateway for merchants: accept USDC, USDT and other digital assets with settlement straight to your own wallet, optional auto-conversion to stablecoins, and a single REST API. API docs: merchant.payzum.com/api/docs.

License

GPL-2.0-or-later. Contributed and maintained by Payzum.