diff --git a/BraintreeCore/src/main/java/com/braintreepayments/api/BuyerPhone.kt b/BraintreeCore/src/main/java/com/braintreepayments/api/BuyerPhone.kt
new file mode 100644
index 0000000000..4f1d7e20f3
--- /dev/null
+++ b/BraintreeCore/src/main/java/com/braintreepayments/api/BuyerPhone.kt
@@ -0,0 +1,14 @@
+package com.braintreepayments.api
+
+/**
+ * Representation of a user phone number.
+ * @property countryCode The international country code for the shopper's phone number
+ * (e.g., "1" for the United States).
+ * @property nationalNumber The national segment of the shopper's phone number
+ * (excluding the country code).
+ */
+
+data class BuyerPhone(
+    var countryCode: String,
+    var nationalNumber: String
+)
diff --git a/BraintreeCore/src/main/java/com/braintreepayments/api/PaymentReadyApi.kt b/BraintreeCore/src/main/java/com/braintreepayments/api/PaymentReadyApi.kt
index e9cfa10791..220fd6d805 100644
--- a/BraintreeCore/src/main/java/com/braintreepayments/api/PaymentReadyApi.kt
+++ b/BraintreeCore/src/main/java/com/braintreepayments/api/PaymentReadyApi.kt
@@ -3,7 +3,7 @@ package com.braintreepayments.api
 import org.json.JSONObject
 
 // TODO: Implementation, documentation and interface.
-class PaymentReadyApi {
+internal class PaymentReadyApi {
     fun processRequest(request: ShopperInsightsRequest): String = request.toJson()
 
     private fun ShopperInsightsRequest.toJson(): String {
diff --git a/BraintreeCore/src/main/java/com/braintreepayments/api/ShopperInsightsRequest.kt b/BraintreeCore/src/main/java/com/braintreepayments/api/ShopperInsightsRequest.kt
index edcb15b377..c9c3abc07d 100644
--- a/BraintreeCore/src/main/java/com/braintreepayments/api/ShopperInsightsRequest.kt
+++ b/BraintreeCore/src/main/java/com/braintreepayments/api/ShopperInsightsRequest.kt
@@ -1,18 +1,5 @@
 package com.braintreepayments.api
 
-/**
- * Representation of a user phone number.
- * @property countryCode The international country code for the shopper's phone number
- * (e.g., "1" for the United States).
- * @property nationalNumber The national segment of the shopper's phone number
- * (excluding the country code).
- */
-
-data class BuyerPhone(
-    var countryCode: String,
-    var nationalNumber: String
-)
-
 /**
  * Data class representing a request for shopper insights.
  *