Payments
Crypto Payments — Hosted checkout & API for 110+ coins White Label — Your brand on the entire payment flow Processing — Auto-convert, withdrawals & controls Payouts — Mass crypto payouts by API or file Platform — Marketplace payments & commissions
Swap Plugins Affiliate Pricing Blog Docs Contact
Language
English
Sign in
Get started
All articles
Guides

How to Accept Crypto Payments on OpenCart

Install the CryptoPayr extension for OpenCart 4, add your API key, and start taking Bitcoin, Ethereum and USDT — orders mark paid automatically from the webhook.

CryptoPayr Feb 24, 2026 1.00 min read

Running an OpenCart store? You can add crypto payments with the official CryptoPayr extension for OpenCart 4 in a few minutes. Here is how.

Install the extension

  1. Download the OpenCart extension from the plugins page.
  2. Upload it via Extensions → Installer (it ships as an OCMOD package).
  3. Enable it under Extensions → Payments and open its settings.
  4. Paste your API key from Dashboard → Developers.

How checkout works

A Crypto (CryptoPayr) method now shows at checkout. The buyer picks a coin, pays on the hosted checkout, and the order is marked paid automatically when the signed webhook confirms the payment.

The upside for OpenCart sellers

Follow the OpenCart setup guide or open a free account to begin.

Start accepting crypto today

Open a free CryptoPayr account and take your first crypto payment the same day.

Get started for free

Keep reading

📝 Guides

$500 Rule for Merchants: On Chain vs Off Chain Payments

Merchant framework to route payments by value and frequency. Send under $500 off chain; settle large transfers on chain or use hybrid rails.

Sep 4, 2026 · 15.00 min Read →
📝 Guides

Go Live Same Day on BigCommerce: Accept Crypto With CryptoPayr

Accept crypto on BigCommerce fast with a hosted checkout. Test in sandbox within hours and go live same day using CryptoPayr's low friction setup.

Sep 3, 2026 · 9.00 min Read →
📝 Guides

Go Live in 15 Minutes: Accept Crypto on Wix via Button, Embed, or Velo

Accept crypto on Wix with three paths: no code hosted links, inline embeds, or Velo webhooks. Start in sandbox, then add Velo automation.

Sep 2, 2026 · 10.00 min Read →