CryptoCurrency Payments Gateway from TheBigCoin

CryptoCurrency Payments Gateway from TheBigCoin
Accept CryptoCurrency Payments in Minutes

TheBigCoin CryptoCurrency module allows OpenCart stores to accept CryptoCurrency (Bitcoin and Ethereum) payments in a hassle-free way by using TheBigCoin API. By using our service, all your payments go directly to your wallet address. Our OpenCart CryptoCurrency integration is fully automated: store owner receives all order status updates, payment notifications, confirmations, etc. Start accepting CryptoCurrency and join the 3,800+ online businesses that already use TheBigCoin payments solution.


  • Receive direct Bitcoin payments to all top HD wallets including Trezor,, Mycelium,, Electrum, Ledger, Airbitz, Bitcoin Wallet;
  • Instantly receive Ethereum payments to your desired wallet;
  • Lowest processing fee of just 0.9%;
  • Get instant payment notifications;
  • Real-time exchange rates;
  • Quick and simple integration process;
  • Documentation & Support.

Exclusive Benefits

  • Dedicated technical support for easy & smooth integration;
  • Direct processing to your wallet;
  • Free lifetime support.

Please find the documentation and other detailed information about TheBigCoin OpenCart module at this page. In case you could not find an answer to your question on the FAQ or documentation pages, feel free to contact our dedicated team of experts, and we will answer all your questions as soon as possible.


Q: How do I install and configure the module?
A: Simply follow the instructions at

Q: What do I need to accept Bitcoin payments?
A: In order to receive Bitcoin payments, you will need to have the xPub and one of the top HD wallets including Trezor,, Mycelium,, Electrum, Ledger, Airbitz, Bitcoin Wallet.

Q: What is the xPub?
A: xPub is the only key used for Bitcoin transaction processing: it allows us to generate new unique address for every new order and this way we can easily observe and identify all transactions. Find out more at

Q: What do I need to accept Ethereum payments?
A: In order to accept Ethereum payments, you will need an Ethereum wallet and a valid Ethereum address where you will receive the funds. The whole process takes a few minutes and all delays depend on the Ethereum network itself.

Q: What is the instant payment notification?
A: Whenever someone sends a payment and the payment status changes, your server receives a “payment notification”. This way we are able to easily integrate our payments into your software and make automated order completion. Find out more at

TheBigCoin OpenCart Module Installation Instructions

Carefully follow the installation instructions to start accepting CryptoCurrency payments on your OpenCart store.

  1. Firstly, head to and sign up;
  2. Download TheBigCoin OpenCart module as file;
  3. Log into your OpenCart dashboard;
  4. Navigate to Extensions -> Installer;
  5. Click on “Upload” and select;
  6. Navigate to Extensions -> Extensions;
  7. Select “Payments” from the drop-down menu;
  8. Navigate to TheBigCoin extension and click on “Install”;
  9. Navigate to TheBigCoin extension and click on “Edit”;
  10. Enable TheBigCoin module, enter your Project ID, API Key, API Secret and click on “Save”.

Creating a Project, Project ID, API Key & API Secret:

Once you successfully installed TheBigCoin OpenCart module on your website, please follow the last steps to start accepting cryptocurrency payments:

  1. Login to your account at;
  2. Choose the CryptoCurrency type you would like to accept (Bitcoin, Ethereum or both) and setup CryptoCurrency payments in a few simple steps;
  3. Click on “E-commerce Integration”;
  4. Enter your store name, website URL;
  5. Click on “Add”;
  6. Click on “Show API Secret” and enter your password;
  7. Copy the Project ID, API key and API Secret;
  8. Enter your Project ID, API Key and API Secret into TheBigCoin OpenCart Module (see 10th TheBigCoin OpenCart payment module installation step).

Find out more about TheBigCoin OpenCart module installation.

Further Reading

  • Developed by OpenCart Community
  • Documentation Included


Compatibility,,,, 4.x.x.x,,,,,,,,,,,

Last Update
5 Jun 2018

21 Dec 2017
Member since: 18 Dec 2017

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