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OverviewUpgrade your integration
Online payments
OverviewFind your use caseManaged Payments
Payment methods
Payment interfaces
Payment scenarios
In-person payments
Beyond payments

Accept a Bancontact payment

Learn how to accept Bancontact, a common payment method in Belgium.

Caution

We recommend that you follow the Accept a payment guide unless you need to use manual server-side confirmation, or your integration requires presenting payment methods separately. If you’ve already integrated with Elements, see the Payment Element migration guide.

Bancontact is a single use payment method where customers are required to authenticate their payment. Customers pay with Bancontact by redirecting from your app, authenticating the payment, then returning to your app where you get immediate notification on whether the payment succeeded or failed.

Note

Your use of Bancontact must be in accordance with the Bancontact Terms of Service.

Set up Stripe
Server-side
Client-side

First, you need a Stripe account. Register now.

Server-side

This integration requires endpoints on your server that talk to the Stripe API. Use the official libraries for access to the Stripe API from your server:

Command Line
# Available as a gem
sudo gem install stripe
Gemfile
# If you use bundler, you can add this line to your Gemfile
gem 'stripe'

Client-side

The Stripe iOS SDK is open source, fully documented, and compatible with apps supporting iOS 13 or above.

To install the SDK, follow these steps:

  1. In Xcode, select File > Add Package Dependencies… and enter https://github.com/stripe/stripe-ios-spm as the repository URL.
  2. Select the latest version number from our releases page.
  3. Add the StripePaymentsUI product to the target of your app.

Note

For details on the latest SDK release and past versions, see the Releases page on GitHub. To receive notifications when a new release is published, watch releases for the repository.

Configure the SDK with your Stripe publishable key on app start. This enables your app to make requests to the Stripe API.

AppDelegate.swift
import UIKit
import StripePaymentsUI

@main
class AppDelegate: UIResponder, UIApplicationDelegate {

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        StripeAPI.defaultPublishableKey = 
"pk_test_TYooMQauvdEDq54NiTphI7jx"

        // do any other necessary launch configuration
        return true
    }
}

Note

Use your test keys while you test and develop, and your live mode keys when you publish your app.

Create a PaymentIntent
Server-sideClient-side

A PaymentIntent is an object that represents your intent to collect payment from a customer and tracks the lifecycle of the payment process through each stage.

Server-side

Create a PaymentIntent on your server and specify the amount to collect and the eur currency (Bancontact does not support other currencies). If you have an existing Payment Intents integration, add bancontact to the list of payment method types.

Command Line
curl https://api.stripe.com/v1/payment_intents \
  -u "
sk_test_BQokikJOvBiI2HlWgH4olfQ2
:" \
  -d amount=1099 \
  -d currency=eur \
  -d "payment_method_types[]"=bancontact

The default language of the Bancontact authorization page is English (en). You can match the preferred language of your customer by setting preferred_language to fr, nl, or de.

Command Line
curl https://api.stripe.com/v1/payment_intents \
  -u "
sk_test_BQokikJOvBiI2HlWgH4olfQ2
:" \
  -d amount=1099 \
  -d currency=eur \
  -d "payment_method_types[]"=bancontact \
  -d "payment_method_options[bancontact][preferred_language]"=fr

Client-side

On the client, request a PaymentIntent from your server and store its client secret.

class CheckoutViewController: UIViewController {
    var paymentIntentClientSecret: String?

    func startCheckout() {
        // Request a PaymentIntent from your server and store its client secret
    }
}

Collect payment method details
Client-side

In your app, collect the required billing details (first and last name) from the customer. Create a STPPaymentIntentParams with the billing details.

let bancontactParams = STPPaymentMethodBancontactParams()

let billingDetails = STPPaymentMethodBillingDetails()
billingDetails.name = "Jane Doe"

Submit the payment to Stripe
Client-side

Retrieve the client secret from the PaymentIntent you created in step 2 and call STPPaymentHandler confirmPayment. This presents a webview where the customer can complete the payment. Upon completion, the completion block is called with the result of the payment.

let paymentIntentParams = STPPaymentIntentParams(clientSecret: paymentIntentClientSecret)
paymentIntentParams.paymentMethodParams = STPPaymentMethodParams(
    bancontact: bancontactParams,
    billingDetails: billingDetails,
    metadata: nil
)

STPPaymentHandler.shared().confirmPayment(paymentIntentParams, with: self) { (handlerStatus, paymentIntent, error) in
    switch handlerStatus {
    case .succeeded:
        // Payment succeeded

    case .canceled:
        // Payment was canceled

    case .failed:
        // Payment failed

    @unknown default:
        fatalError()
    }
}
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