Link controller private preview

CHANGELOG.md

@@ -9,6 +9,9 @@ NEXT_VERSION_BUMP: MINOR
 ### CryptoOnramp
 * [ADDED] A new `AppAttestationUnavailableException` was added when configuring onramp for additional information when an error occurs.
 
+### PaymentSheet
+* [ADDED] Standalone Link wallet APIs in private preview via `LinkController`.
+
 ## 23.11.1 - 2026-06-30
 
 ### PaymentSheet

crypto-onramp/build.gradle

@@ -51,6 +51,7 @@ android {
         compilerOptions {
             freeCompilerArgs.addAll([
                     "-opt-in=com.stripe.android.crypto.onramp.ExperimentalCryptoOnramp",
+                    "-opt-in=com.stripe.android.link.LinkControllerPreview",
             ])
         }
     }

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/LinkControllerPlaygroundActivity.kt

@@ -1,3 +1,5 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground
 
 import android.content.Context
@@ -16,6 +18,7 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentsheet.example.samples.ui.shared.PaymentSheetExampleTheme
 
 @Suppress("LongMethod")

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/LinkControllerPlaygroundState.kt

@@ -1,6 +1,9 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground
 
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 
 data class LinkControllerPlaygroundState(
     val controllerState: LinkController.State? = null,

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/LinkControllerPlaygroundViewModel.kt

@@ -1,3 +1,5 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground
 
 import android.app.Application
@@ -7,6 +9,7 @@ import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.viewModelScope
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/LinkControllerUi.kt

@@ -1,4 +1,5 @@
 @file:Suppress("LongMethod", "MagicNumber")
+@file:OptIn(LinkControllerPreview::class)
 
 package com.stripe.android.paymentsheet.example.playground
 
@@ -55,6 +56,7 @@ import androidx.compose.ui.tooling.preview.PreviewLightDark
 import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentsheet.example.samples.ui.shared.PaymentSheetExampleTheme
 import com.stripe.android.ui.core.R
 

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/PlaygroundState.kt

@@ -1,3 +1,5 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground
 
 import android.content.Context
@@ -6,6 +8,7 @@ import androidx.compose.runtime.Stable
 import com.stripe.android.SharedPaymentTokenSessionPreview
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentelement.PaymentMethodOptionsSetupFutureUsagePreview
 import com.stripe.android.paymentsheet.PaymentSheet

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/AllowedBillingCountriesSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/AttachBillingDetailsToPaymentMethodSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/CardBrandAcceptanceSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/CollectAddressSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/CollectEmailSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.PaymentSheet.BillingDetailsCollectionConfiguration.CollectionMode

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/CollectNameSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.PaymentSheet.BillingDetailsCollectionConfiguration.CollectionMode

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/CollectPhoneSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.PaymentSheet.BillingDetailsCollectionConfiguration.CollectionMode

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/DefaultBillingAddressSettingsDefinition.kt

@@ -1,7 +1,10 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/LinkControllerAllowUserEmailEditsSettingsDefinition.kt

@@ -1,6 +1,9 @@
+@file:OptIn(LinkControllerPreview::class)
+
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentsheet.example.playground.PlaygroundState
 
 internal object LinkControllerAllowUserEmailEditsSettingsDefinition : BooleanSettingsDefinition(

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/PlaygroundSettingDefinition.kt

@@ -1,10 +1,11 @@
-@file:OptIn(CheckoutSessionPreview::class)
+@file:OptIn(CheckoutSessionPreview::class, LinkControllerPreview::class)
 
 package com.stripe.android.paymentsheet.example.playground.settings
 
 import com.stripe.android.checkout.Checkout
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.CheckoutSessionPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/playground/settings/PlaygroundSettings.kt

@@ -1,4 +1,4 @@
-@file:OptIn(CheckoutSessionPreview::class)
+@file:OptIn(CheckoutSessionPreview::class, LinkControllerPreview::class)
 
 package com.stripe.android.paymentsheet.example.playground.settings
 
@@ -13,6 +13,7 @@ import com.stripe.android.checkout.Checkout
 import com.stripe.android.core.utils.FeatureFlags
 import com.stripe.android.customersheet.CustomerSheet
 import com.stripe.android.link.LinkController
+import com.stripe.android.link.LinkControllerPreview
 import com.stripe.android.paymentelement.CheckoutSessionPreview
 import com.stripe.android.paymentelement.EmbeddedPaymentElement
 import com.stripe.android.paymentsheet.PaymentSheet

paymentsheet/api/paymentsheet.api

@@ -230,6 +230,84 @@ public abstract interface class com/stripe/android/customersheet/SetupIntentClie
 	public abstract fun provideSetupIntentClientSecret (Ljava/lang/String;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
 }
 
+public final class com/stripe/android/link/LinkController {
+	public static final field $stable I
+	public final fun configure-gIAlu-s (Lcom/stripe/android/link/LinkController$Configuration;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
+	public final fun createPresenter (Landroidx/activity/ComponentActivity;Lcom/stripe/android/link/LinkController$PresentCallback;)Lcom/stripe/android/link/LinkController$Presenter;
+	public final fun getPaymentMethodPreview ()Lkotlinx/coroutines/flow/StateFlow;
+}
+
+public final class com/stripe/android/link/LinkController$Builder {
+	public static final field $stable I
+	public fun <init> (Landroid/app/Application;Landroidx/lifecycle/SavedStateHandle;)V
+	public final fun build ()Lcom/stripe/android/link/LinkController;
+}
+
+public final class com/stripe/android/link/LinkController$Configuration {
+	public static final field $stable I
+	public fun <init> (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public final fun allowLogout (Z)Lcom/stripe/android/link/LinkController$Configuration;
+	public final fun email (Ljava/lang/String;)Lcom/stripe/android/link/LinkController$Configuration;
+	public final fun phoneNumber (Ljava/lang/String;)Lcom/stripe/android/link/LinkController$Configuration;
+	public final fun supportedPaymentMethodTypes (Ljava/util/List;)Lcom/stripe/android/link/LinkController$Configuration;
+}
+
+public final class com/stripe/android/link/LinkController$PaymentMethodPreview {
+	public static final field $stable I
+	public fun equals (Ljava/lang/Object;)Z
+	public final fun getIcon ()Landroid/graphics/drawable/Drawable;
+	public final fun getIconPainter (Landroidx/compose/runtime/Composer;I)Landroidx/compose/ui/graphics/painter/Painter;
+	public final fun getLabel ()Ljava/lang/String;
+	public final fun getSublabel ()Ljava/lang/String;
+	public fun hashCode ()I
+	public fun toString ()Ljava/lang/String;
+}
+
+public final class com/stripe/android/link/LinkController$PaymentMethodType : java/lang/Enum {
+	public static final field BankAccount Lcom/stripe/android/link/LinkController$PaymentMethodType;
+	public static final field Card Lcom/stripe/android/link/LinkController$PaymentMethodType;
+	public static final field Generic Lcom/stripe/android/link/LinkController$PaymentMethodType;
+	public static fun getEntries ()Lkotlin/enums/EnumEntries;
+	public static fun valueOf (Ljava/lang/String;)Lcom/stripe/android/link/LinkController$PaymentMethodType;
+	public static fun values ()[Lcom/stripe/android/link/LinkController$PaymentMethodType;
+}
+
+public abstract interface class com/stripe/android/link/LinkController$PresentCallback {
+	public abstract fun onPresentResult (Lcom/stripe/android/link/LinkController$PresentResult;)V
+}
+
+public abstract interface class com/stripe/android/link/LinkController$PresentResult {
+}
+
+public final class com/stripe/android/link/LinkController$PresentResult$Canceled : com/stripe/android/link/LinkController$PresentResult {
+	public static final field $stable I
+}
+
+public final class com/stripe/android/link/LinkController$PresentResult$Completed : com/stripe/android/link/LinkController$PresentResult {
+	public static final field $stable I
+	public fun equals (Ljava/lang/Object;)Z
+	public final fun getPaymentMethod ()Lcom/stripe/android/model/PaymentMethod;
+	public fun hashCode ()I
+	public fun toString ()Ljava/lang/String;
+}
+
+public final class com/stripe/android/link/LinkController$PresentResult$Failed : com/stripe/android/link/LinkController$PresentResult {
+	public static final field $stable I
+	public fun equals (Ljava/lang/Object;)Z
+	public final fun getError ()Ljava/lang/Throwable;
+	public fun hashCode ()I
+	public fun toString ()Ljava/lang/String;
+}
+
+public final class com/stripe/android/link/LinkController$Presenter {
+	public static final field $stable I
+	public final fun present ()V
+}
+
+public abstract interface annotation class com/stripe/android/link/LinkControllerPreview : java/lang/annotation/Annotation {
+}
+
 public final class com/stripe/android/link/onramp/ui/ComposableSingletons$OnrampKYCRefreshScreenKt {
 	public static final field INSTANCE Lcom/stripe/android/link/onramp/ui/ComposableSingletons$OnrampKYCRefreshScreenKt;
 	public fun <init> ()V

paymentsheet/build.gradle

@@ -157,6 +157,7 @@ android {
             freeCompilerArgs.addAll([
                     "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
                     "-opt-in=kotlinx.coroutines.FlowPreview",
+                    "-opt-in=com.stripe.android.link.LinkControllerPreview",
                     "-Xcontext-parameters",
                     "-Xannotation-default-target=param-property",
                     "-Xconsistent-data-class-copy-visibility"