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Accept a payment

Securely accept payments online.

Build a payment form or use a prebuilt checkout page to start accepting online payments.

Integrate Stripe’s prebuilt payment UI into the checkout of your Android app with the PaymentSheet class.

Interested in displaying payment methods directly in your checkout screen?

We’re exploring an integration that lets you embed a prebuilt view directly in your checkout to display payment methods. Sign up for early access.

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 Android SDK is open source and fully documented.

To install the SDK, add stripe-android to the dependencies block of your app/build.gradle file:

build.gradle
apply plugin: 'com.android.application'

android { ... }

dependencies {
  // ...

  // Stripe Android SDK
  implementation 'com.stripe:stripe-android:21.2.0'
}

备注

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.

Enable payment methods

View your payment methods settings and enable the payment methods you want to support. You need at least one payment method enabled to create a PaymentIntent.

By default, Stripe enables cards and other prevalent payment methods that can help you reach more customers, but we recommend turning on additional payment methods that are relevant for your business and customers. See Payment method support for product and payment method support, and our pricing page for fees.

Add an endpoint
Server-side

Note

If you want to present the PaymentSheet before creating a PaymentIntent, see Collect payment details before creating an Intent.

This integration uses three Stripe API objects:

  1. PaymentIntent: Stripe uses this to represent your intent to collect payment from a customer, tracking your charge attempts and payment state changes throughout the process.

  2. (Optional) Customer: To set up a payment method for future payments, you must attach it to a Customer. Create a Customer object when your customer creates an account with your business. If your customer is making a payment as a guest, you can create a Customer object before payment and associate it with your own internal representation of the customer’s account later.

  3. (Optional) Customer Ephemeral Key: Information on the Customer object is sensitive, and can’t be retrieved directly from an app. An Ephemeral Key grants the SDK temporary access to the Customer.

备注

If you never save cards to a Customer and don’t allow returning Customers to reuse saved cards, you can omit the Customer and Customer Ephemeral Key objects from your integration.

For security reasons, your app can’t create these objects. Instead, add an endpoint on your server that:

  1. Retrieves the Customer, or creates a new one.
  2. Creates an Ephemeral Key for the Customer.
  3. Creates a PaymentIntent with the amount, currency, and customer. You can also optionally include the automatic_payment_methods parameter. Stripe enables its functionality by default in the latest version of the API.
  4. Returns the Payment Intent’s client secret, the Ephemeral Key’s secret, the Customer’s id, and your publishable key to your app.

The payment methods shown to customers during the checkout process are also included on the PaymentIntent. You can let Stripe pull payment methods from your Dashboard settings or you can list them manually. Regardless of the option you choose, know that the currency passed in the PaymentIntent filters the payment methods shown to the customer. For example, if you pass eur on the PaymentIntent and have OXXO enabled in the Dashboard, OXXO won’t be shown to the customer because OXXO doesn’t support eur payments.

Unless your integration requires a code-based option for offering payment methods, Stripe recommends the automated option. This is because Stripe evaluates the currency, payment method restrictions, and other parameters to determine the list of supported payment methods. Payment methods that increase conversion and that are most relevant to the currency and customer’s location are prioritized.

备注

Test a running implementation of this endpoint on Glitch.

You can manage payment methods from the Dashboard. Stripe handles the return of eligible payment methods based on factors such as the transaction’s amount, currency, and payment flow. The PaymentIntent is created using the payment methods you configured in the Dashboard. If you don’t want to use the Dashboard or if you want to specify payment methods manually, you can list them using the payment_method_types attribute.

Command Line
# Create a Customer (use an existing Customer ID if this is a returning customer)
curl https://api.stripe.com/v1/customers \
  -u 
sk_test_4eC39HqLyjWDarjtT1zdp7dc
: \
  -X "POST"

# Create an Ephemeral Key for the Customer
curl https://api.stripe.com/v1/ephemeral_keys \
  -u 
sk_test_4eC39HqLyjWDarjtT1zdp7dc
: \
  -H "Stripe-Version: 2024-11-20.acacia" \
  -X "POST" \
  -d "customer"="{{CUSTOMER_ID}}" \

# Create a PaymentIntent
curl https://api.stripe.com/v1/payment_intents \
  -u 
sk_test_4eC39HqLyjWDarjtT1zdp7dc
: \
  -X "POST" \
  -d "customer"="{{CUSTOMER_ID}}" \
  -d "amount"=1099 \
  -d "currency"="eur" \
  # In the latest version of the API, specifying the `automatic_payment_methods` parameter
  # is optional because Stripe enables its functionality by default.
  -d "automatic_payment_methods[enabled]"=true \

Collect payment details
Client-side

Before displaying the mobile Payment Element, your checkout page should:

  • Show the products being purchased and the total amount
  • Collect any required shipping information using the Address Element
  • Include a checkout button to present Stripe’s UI

Initialize a PaymentSheet instance inside onCreate of your checkout Activity, passing a method to handle the result.

import androidx.compose.runtime.Composable
import com.stripe.android.paymentsheet.PaymentSheetResult
import com.stripe.android.paymentsheet.rememberPaymentSheet

@Composable
fun App() {
  val paymentSheet = rememberPaymentSheet(::onPaymentSheetResult)

}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  // implemented in the next steps
}

Next, fetch the PaymentIntent client secret, Ephemeral Key secret, Customer ID, and publishable key from the endpoint you created in the previous step. Set the publishable key using PaymentConfiguration and store the others for use when you present the PaymentSheet.

import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.platform.LocalContext
// Add the following lines to build.gradle to use this example's networking library:
//   implementation 'com.github.kittinunf.fuel:fuel:2.3.1'
//   implementation 'com.github.kittinunf.fuel:fuel-json:2.3.1'
import com.github.kittinunf.fuel.httpPost
import com.github.kittinunf.fuel.json.responseJson
import com.stripe.android.PaymentConfiguration
import com.stripe.android.paymentsheet.PaymentSheet
import com.stripe.android.paymentsheet.PaymentSheetResult
import com.stripe.android.paymentsheet.rememberPaymentSheet
import com.github.kittinunf.result.Result

@Composable
fun App() {
  val paymentSheet = rememberPaymentSheet(::onPaymentSheetResult)
  val context = LocalContext.current
  var customerConfig by remember { mutableStateOf<PaymentSheet.CustomerConfiguration?>(null) }
  var paymentIntentClientSecret by remember { mutableStateOf<String?>(null) }

  LaunchedEffect(context) {
    "Your backend endpoint/payment-sheet".httpPost().responseJson { _, _, result ->
      if (result is Result.Success) {
        val responseJson = result.get().obj()
        paymentIntentClientSecret = responseJson.getString("paymentIntent")
        customerConfig = PaymentSheet.CustomerConfiguration(
          id = responseJson.getString("customer"),
          ephemeralKeySecret = responseJson.getString("ephemeralKey")
        )
        val publishableKey = responseJson.getString("publishableKey")
        PaymentConfiguration.init(context, publishableKey)
      }
    }
  }
}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  // implemented in the next steps
}

When the customer taps your checkout button, call presentWithPaymentIntent to present the payment sheet. After the customer completes the payment, the sheet dismisses and the PaymentSheetResultCallback is called with a PaymentSheetResult.

import androidx.compose.material.Button
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.platform.LocalContext
// Add the following lines to build.gradle to use this example's networking library:
//   implementation 'com.github.kittinunf.fuel:fuel:2.3.1'
//   implementation 'com.github.kittinunf.fuel:fuel-json:2.3.1'
import com.github.kittinunf.fuel.httpPost
import com.github.kittinunf.fuel.json.responseJson
import com.stripe.android.PaymentConfiguration
import com.stripe.android.paymentsheet.PaymentSheet
import com.stripe.android.paymentsheet.PaymentSheetResult
import com.stripe.android.paymentsheet.rememberPaymentSheet
import com.github.kittinunf.result.Result

@OptIn(ExperimentalCustomerSessionApi::class)
@Composable
fun App() {
  val paymentSheet = rememberPaymentSheet(::onPaymentSheetResult)
  val context = LocalContext.current
  var customerConfig by remember { mutableStateOf<PaymentSheet.CustomerConfiguration?>(null) }
  var paymentIntentClientSecret by remember { mutableStateOf<String?>(null) }

  LaunchedEffect(context) {
    "Your backend endpoint/payment-sheet".httpPost().responseJson { _, _, result ->
      if (result is Result.Success) {
        val responseJson = result.get().obj()
        paymentIntentClientSecret = responseJson.getString("paymentIntent")
        customerConfig = PaymentSheet.CustomerConfiguration(
          id = responseJson.getString("customer"),
          ephemeralKeySecret = responseJson.getString("ephemeralKey")
        )
        val publishableKey = responseJson.getString("publishableKey")
        PaymentConfiguration.init(context, publishableKey)
      }
    }
  }

  Button(
    onClick = {
      val currentConfig = customerConfig
      val currentClientSecret = paymentIntentClientSecret

      if (currentConfig != null && currentClientSecret != null) {
        presentPaymentSheet(paymentSheet, currentConfig, currentClientSecret)
      }
    }
  ) {
    Text("Checkout")
  }
}

private fun presentPaymentSheet(
  paymentSheet: PaymentSheet,
  customerConfig: PaymentSheet.CustomerConfiguration,
  paymentIntentClientSecret: String
) {
  paymentSheet.presentWithPaymentIntent(
    paymentIntentClientSecret,
    PaymentSheet.Configuration(
      merchantDisplayName = "My merchant name",
      customer = customerConfig,
      // Set `allowsDelayedPaymentMethods` to true if your business handles
      // delayed notification payment methods like US bank accounts.
      allowsDelayedPaymentMethods = true
    )
  )
}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  when(paymentSheetResult) {
    is PaymentSheetResult.Canceled -> {
      print("Canceled")
    }
    is PaymentSheetResult.Failed -> {
      print("Error: ${paymentSheetResult.error}")
    }
    is PaymentSheetResult.Completed -> {
      // Display for example, an order confirmation screen
      print("Completed")
    }
  }
}

Setting allowsDelayedPaymentMethods to true allows delayed notification payment methods like US bank accounts. For these payment methods, the final payment status isn’t known when the PaymentSheet completes, and instead succeeds or fails later. If you support these types of payment methods, inform the customer their order is confirmed and only fulfill their order (for example, ship their product) when the payment is successful.

Handle post-payment events
Server-side

Stripe sends a payment_intent.succeeded event when the payment completes. Use the Dashboard webhook tool or follow the webhook guide to receive these events and run actions, such as sending an order confirmation email to your customer, logging the sale in a database, or starting a shipping workflow.

Listen for these events rather than waiting on a callback from the client. On the client, the customer could close the browser window or quit the app before the callback executes, and malicious clients could manipulate the response. Setting up your integration to listen for asynchronous events is what enables you to accept different types of payment methods with a single integration.

In addition to handling the payment_intent.succeeded event, we recommend handling these other events when collecting payments with the Payment Element:

EventDescriptionAction
payment_intent.succeededSent when a customer successfully completes a payment.Send the customer an order confirmation and fulfill their order.
payment_intent.processingSent when a customer successfully initiates a payment, but the payment has yet to complete. This event is most commonly sent when the customer initiates a bank debit. It’s followed by either a payment_intent.succeeded or payment_intent.payment_failed event in the future.Send the customer an order confirmation that indicates their payment is pending. For digital goods, you might want to fulfill the order before waiting for payment to complete.
payment_intent.payment_failedSent when a customer attempts a payment, but the payment fails.If a payment transitions from processing to payment_failed, offer the customer another attempt to pay.

Test the integration

Card numberScenarioHow to test
The card payment succeeds and doesn’t require authentication.Fill out the credit card form using the credit card number with any expiration, CVC, and postal code.
The card payment requires authentication.Fill out the credit card form using the credit card number with any expiration, CVC, and postal code.
The card is declined with a decline code like insufficient_funds.Fill out the credit card form using the credit card number with any expiration, CVC, and postal code.
The UnionPay card has a variable length of 13-19 digits.Fill out the credit card form using the credit card number with any expiration, CVC, and postal code.

See Testing for additional information to test your integration.

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本页
Set up Stripe
Server-side
Client-side
Enable payment methods
Add an endpoint
Collect payment details
Handle post-payment events
Test the integration
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