Accept an Afterpay or Clearpay payment

import { useState, useEffect } from 'react';
import { StripeProvider } from '@stripe/stripe-react-native';

function App() {
  const [publishableKey, setPublishableKey] = useState('');

  const fetchPublishableKey = async () => {
    const key = await fetchKey(); // fetch key from your server here
    setPublishableKey(key);
  };

  useEffect(() => {
    fetchPublishableKey();
  }, []);

  return (
    <StripeProvider
      publishableKey={publishableKey}
      merchantIdentifier="merchant.identifier" // required for Apple Pay
      urlScheme="your-url-scheme" // required for 3D Secure and bank redirects
    >
      {/* Your app code here */}
    </StripeProvider>
  );
}

const fetchPaymentIntentClientSecret = async () => {
  const response = await fetch(`${API_URL}/create-payment-intent`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      currency: 'usd',
      payment_method_types: ['afterpay_clearpay'],
    }),
  });
  const {clientSecret, error} = await response.json();

  return {clientSecret, error};
};

export default function AfterpayClearpayPaymentScreen() {
  const [email, setEmail] = useState('');

  const handlePayPress = async () => {
    const billingDetails: PaymentMethodCreateParams.BillingDetails = {
      email,
      phone: '+48888000888',
      addressCity: 'Houston',
      addressCountry: 'US',
      addressLine1: '1459  Circle Drive',
      addressLine2: 'Texas',
      addressPostalCode: '77063',
      name: 'Jenny Rosen',
    };

    // Shipping details are optional but recommended to pass in.
    const shippingDetails: PaymentMethodCreateParams.ShippingDetails = {
      addressLine1: '1459  Circle Drive',
      addressCountry: 'US',
      addressPostalCode: '77063',
      name: 'Jenny Rosen',
    };

    // ...
  };

  return (
    <Screen>
      <TextInput
        placeholder="E-mail"
        onChange={(value) => setEmail(value.nativeEvent.text)}
      />
    </Screen>
  );
}

export default function AfterpayClearpayPaymentScreen() {
  const [email, setEmail] = useState('');

  const handlePayPress = async () => {
    // ...

    const {error, paymentIntent} = await confirmPayment(clientSecret, {
      paymentMethodType: 'AfterpayClearpay',
      paymentMethodData: {
        billingDetails,
        // Shipping details are optional but recommended to pass in.
        shippingDetails,
      },
    });

    if (error) {
      Alert.alert(`Error code: ${error.code}`, error.message);
    } else if (paymentIntent) {
      Alert.alert(
        'Success',
        `The payment was confirmed successfully! currency: ${paymentIntent.currency}`,
      );
    }
  };

  return <Screen>{/* ... */}</Screen>;
}