> ## Documentation Index
> Fetch the complete documentation index at: https://razorpay-881012b3.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenCart Plugin Prerequisites

> Check the prerequisites before you integrate your OpenCart website with Razorpay Payment Gateway.

<div style={{display:"flex",flexWrap:"wrap",alignItems:"center",gap:"0.35rem 0.9rem",border:"1px solid rgba(128,128,128,0.28)",borderRadius:"0.5rem",padding:"0.45rem 0.75rem",margin:"0 0 1.25rem",fontSize:"0.875rem"}}>
  <span style={{fontWeight:600}}>Available in</span>
  <span>🇮🇳 India</span>
  <span>🇸🇬 Singapore</span>
</div>

<CardGroup cols={1}>
  <Card title="Troubleshooting & FAQs" href="/docs/sg/payments/payment-gateway/ecommerce-plugins/open-cart/troubleshooting-faqs">
    Troubleshoot common error scenarios and find answers to frequently asked questions about the Razorpay OpenCart plugin.
  </Card>
</CardGroup>

**Before you proceed:**

* Create a [Razorpay account](https://dashboard.razorpay.com/signup).
* Understand the [payment flow](/docs/sg/payments/payment-gateway/how-it-works) process.
* Generate the [API Keys](/docs/sg/api/authentication#generate-api-keys) from the Dashboard. To go live with the integration and start accepting real payments, generate Live Mode API Keys and replace them in the integration.

## Supported Versions

We support the following versions of OpenCart with separate extensions: OpenCart 4, OpenCart 3, OpenCart 2 and OpenCart 1.5.

## Integrations Steps

Check the integration steps to [integrate your OpenCart website with Razorpay Payment Gateway](/docs/sg/payments/payment-gateway/ecommerce-plugins/open-cart/integration-steps).

## Support

* Queries: If you have any queries, raise a ticket on the Razorpay [Support Portal](https://razorpay.com/sg/support/).
* Feature Request: If you have a feature request, create an issue on [GitHub](https://github.com/razorpay/razorpay-opencart/issues/new).

### Related Information

[Address Verification System](/docs/sg/payments/international-payments/address-verification-system)