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Nuvei is a global payment provider that provides comprehensive payment processing solutions across multiple payment methods and regions. Interac is Canada’s domestic payment network for bank-account-based payments. Interac via Nuvei lets Canadian buyers pay directly from their bank account through a redirect flow, giving them a familiar local alternative to cards at checkout.

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Setup

Please follow the common Nuvei instructions to get set up with Nuvei. After setting up your Nuvei account, make sure Interac is enabled as a payment method on your account. Nuvei requires the following fields to be collected during checkout for Interac transactions:
  • First name and last name
  • Email address
  • Mobile phone number
  • Buyer IP address (must be a Canadian IP address)

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Features

Nuvei Interac payments support the following features:
  • Payment method tokenization - Store the linked bank account after the first payment for reuse on subsequent transactions
  • Transaction synchronization - Keep payment statuses synchronized with Nuvei

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Supported countries

Nuvei supports transactions from buyers in CA.

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Supported currencies

Nuvei supports processing payments in CAD.

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Limitations

The following features are not supported by this connector:
  • Delayed capture - Authorization and capture must happen together
  • Partial capture - Cannot capture a portion of the authorized amount
  • Void - Cannot cancel transactions once initiated
  • Zero auth - Zero-dollar verification transactions are not supported

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Integration

For Interac, the default integration for Nuvei is through a redirect to a hosted payments page. Start by creating a new transaction with the following required fields. 
var transaction = await client.Transactions.CreateAsync(
  transactionCreate: new TransactionCreate()
  {
    Amount = 1299,
    Currency = "CAD",
    Country = "CA",
    PaymentMethod =
      TransactionCreatePaymentMethod.CreateRedirectPaymentMethodCreate(
        new RedirectPaymentMethodCreate()
        {
          Method = "interac",
          Country = "CA",
          Currency = "CAD",
          RedirectUrl = "https://example.com/callback",
        }
      ),
  }
);
After the transaction is created, the API response includes payment_method.approval_url and the buyer_approval_pending status. 
{
  "type": "transaction",
  "id": "ea1efdd0-20f9-44d9-9b0b-0a3d71e9b625",
  "payment_method": {
    "type": "payment-method",
    "approval_url": "https://cdn.sandbox.spider.gr4vy.app/connectors/nuvei/apm.html?token=..."
  },
  "method": "interac"
}
Redirect the buyer to the approval_url so they can authenticate with their bank and approve the payment. After approval the buyer is redirected to the redirect_url you provided when creating the transaction. Do not rely solely on the redirect - either poll the transaction or (recommended) rely on webhooks to detect the final status (for example capture_succeeded or failure states).

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Testing

Testing Interac transactions requires a Canadian buyer IP address (deviceDetails.ipAddress), so end-to-end testing from outside Canada needs a Canadian network connection. Nuvei has instructions on how to test Interac Combined.