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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

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