diff --git a/example/src/main/java/com/stripe/example/Settings.kt b/example/src/main/java/com/stripe/example/Settings.kt
index 8de95c09e11..39acb452ef4 100644
--- a/example/src/main/java/com/stripe/example/Settings.kt
+++ b/example/src/main/java/com/stripe/example/Settings.kt
@@ -36,7 +36,7 @@ class Settings(context: Context) {
             .takeIf { it?.isNotBlank() == true }
     }
 
-    private companion object {
+    internal companion object {
         /**
          * Note: only necessary if not configured via `gradle.properties`.
          *
@@ -62,6 +62,13 @@ class Settings(context: Context) {
          */
         private val STRIPE_ACCOUNT_ID: String? = null
 
+        // Example payment sheet backend with a "/checkout" endpoint
+        // Remix from https://glitch.com/edit/#!/stripe-mobile-payment-sheet-test-playground-v3
+        internal const val PAYMENT_SHEET_BASE_URL = ""
+
+        // Publishable key for example payment sheet backend
+        internal const val PAYMENT_SHEET_PUBLISHABLE_KEY = ""
+
         private const val METADATA_KEY_BACKEND_URL_KEY =
             "com.stripe.example.metadata.backend_url"
         private const val METADATA_KEY_PUBLISHABLE_KEY =
diff --git a/example/src/main/java/com/stripe/example/activity/LaunchPaymentSheetCustomActivity.kt b/example/src/main/java/com/stripe/example/activity/LaunchPaymentSheetCustomActivity.kt
index 8c1b8a47f3d..17cfdbcf123 100644
--- a/example/src/main/java/com/stripe/example/activity/LaunchPaymentSheetCustomActivity.kt
+++ b/example/src/main/java/com/stripe/example/activity/LaunchPaymentSheetCustomActivity.kt
@@ -4,10 +4,12 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import androidx.core.view.isInvisible
+import com.stripe.android.PaymentConfiguration
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.PaymentSheetResult
 import com.stripe.android.paymentsheet.model.PaymentOption
 import com.stripe.example.R
+import com.stripe.example.Settings
 import com.stripe.example.databinding.ActivityPaymentSheetCustomBinding
 
 internal class LaunchPaymentSheetCustomActivity : BasePaymentSheetActivity() {
@@ -21,6 +23,9 @@ internal class LaunchPaymentSheetCustomActivity : BasePaymentSheetActivity() {
         super.onCreate(savedInstanceState)
         setContentView(viewBinding.root)
 
+        // TODO(brnunes-stripe): Remove this once FlowController initialization is refactored.
+        PaymentConfiguration.init(this, Settings.PAYMENT_SHEET_PUBLISHABLE_KEY)
+
         flowController = PaymentSheet.FlowController.create(
             this,
             ::onPaymentOption,
diff --git a/example/src/main/java/com/stripe/example/module/BackendApiFactory.kt b/example/src/main/java/com/stripe/example/module/BackendApiFactory.kt
index 78a1a93b46e..55076ef94bd 100644
--- a/example/src/main/java/com/stripe/example/module/BackendApiFactory.kt
+++ b/example/src/main/java/com/stripe/example/module/BackendApiFactory.kt
@@ -49,6 +49,15 @@ internal class BackendApiFactory internal constructor(private val backendUrl: St
 
     @OptIn(ExperimentalSerializationApi::class)
     fun createCheckout(): CheckoutBackendApi {
+        if (Settings.PAYMENT_SHEET_BASE_URL.isNullOrEmpty() ||
+            Settings.PAYMENT_SHEET_PUBLISHABLE_KEY.isNullOrEmpty()
+        ) {
+            error(
+                "Settings.PAYMENT_SHEET_BASE_URL and Settings.PAYMENT_SHEET_PUBLISHABLE_KEY " +
+                    "must be set for PaymentSheet example"
+            )
+        }
+
         val logging = HttpLoggingInterceptor()
             .setLevel(HttpLoggingInterceptor.Level.BODY)
 
@@ -60,7 +69,7 @@ internal class BackendApiFactory internal constructor(private val backendUrl: St
 
         return Retrofit.Builder()
             .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
-            .baseUrl(backendUrl)
+            .baseUrl(Settings.PAYMENT_SHEET_BASE_URL)
             .client(httpClient)
             .build()
             .create(CheckoutBackendApi::class.java)