iDEAL による支払いを受け付ける

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
    }
}

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

class CheckoutViewController: UIViewController {
    var paymentIntentClientSecret: String?

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

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

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

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

    case .canceled:
        // Payment was cancelled

    case .failed:
        // Payment failed

    @unknown default:
        fatalError()
    }
}