diff --git a/src/main/java/com/mangopay/core/deserializer/PayInDeserializer.java b/src/main/java/com/mangopay/core/deserializer/PayInDeserializer.java
index 6dc8f6ea..7ce5c4b1 100644
--- a/src/main/java/com/mangopay/core/deserializer/PayInDeserializer.java
+++ b/src/main/java/com/mangopay/core/deserializer/PayInDeserializer.java
@@ -84,6 +84,28 @@ public PayIn deserialize(JsonElement json, Type typeOfT, JsonDeserializationCont
                 if (object.has("CancelURL") && !object.get("CancelURL").isJsonNull()) {
                     payInPaymentDetailsPayPal.setCancelUrl(object.get("CancelURL").getAsString());
                 }
+                if (object.has("PaypalPayerID") && !object.get("PaypalPayerID").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setPaypalOrderID(object.get("PaypalPayerID").getAsString());
+                }
+                if (object.has("BuyerCountry") && !object.get("BuyerCountry").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setBuyerCountry(object.get("BuyerCountry").getAsString());
+                }
+                if (object.has("BuyerFirstname") && !object.get("BuyerFirstname").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setBuyerFirstName(object.get("BuyerFirstname").getAsString());
+                }
+                if (object.has("BuyerLastname") && !object.get("BuyerLastname").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setBuyerLastName(object.get("BuyerLastname").getAsString());
+                }
+                if (object.has("BuyerPhone") && !object.get("BuyerPhone").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setBuyerPhone(object.get("BuyerPhone").getAsString());
+                }
+                if (object.has("PaypalOrderID") && !object.get("PaypalOrderID").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setPaypalOrderID(object.get("PaypalOrderID").getAsString());
+                }
+                if (object.has("Trackings") && !object.get("Trackings").isJsonNull()) {
+                    payInPaymentDetailsPayPal.setTrackings((PayPalWebTrackingData) context.deserialize(object.get("Trackings"), PayPalWebTrackingData.class));
+                }
+
                 payIn.setPaymentDetails(payInPaymentDetailsPayPal);
                 break;
             case PAYCONIQ:
@@ -181,7 +203,8 @@ public PayIn deserialize(JsonElement json, Type typeOfT, JsonDeserializationCont
             case KLARNA:
                 PayInPaymentDetailsKlarna payInPaymentDetailsKlarna = new PayInPaymentDetailsKlarna();
                 if (object.has("LineItems") && !object.get("LineItems").isJsonNull()) {
-                    Type listType = new TypeToken<ArrayList<LineItem>>(){}.getType();
+                    Type listType = new TypeToken<ArrayList<LineItem>>() {
+                    }.getType();
                     payInPaymentDetailsKlarna.setLineItems((List<LineItem>) context.deserialize(object.get("LineItems"), listType));
                 }
                 if (object.has("Shipping") && !object.get("Shipping").isJsonNull())
diff --git a/src/main/java/com/mangopay/core/serializer/PayInSerializer.java b/src/main/java/com/mangopay/core/serializer/PayInSerializer.java
index 01e6e0f9..f2d72be9 100644
--- a/src/main/java/com/mangopay/core/serializer/PayInSerializer.java
+++ b/src/main/java/com/mangopay/core/serializer/PayInSerializer.java
@@ -51,6 +51,13 @@ public JsonElement serialize(PayIn src, Type typeOfSrc, JsonSerializationContext
                 object.add("ShippingPreference", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getShippingPreference()));
                 object.add("Reference", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getReference()));
                 object.add("CancelURL", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getCancelUrl()));
+                object.add("PaypalPayerID", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getPaypalPayerId()));
+                object.add("BuyerCountry", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getBuyerCountry()));
+                object.add("BuyerFirstname", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getBuyerFirstName()));
+                object.add("BuyerLastname", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getBuyerLastName()));
+                object.add("BuyerPhone", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getBuyerPhone()));
+                object.add("PaypalOrderID", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getPaypalOrderID()));
+                object.add("Trackings", context.serialize(((PayInPaymentDetailsPayPal) src.getPaymentDetails()).getTrackings()));
                 break;
             case "PayInPaymentDetailsPayconiq":
                 object.add("Country", context.serialize(((PayInPaymentDetailsPayconiq) src.getPaymentDetails()).getCountry()));
diff --git a/src/main/java/com/mangopay/entities/subentities/PayInPaymentDetailsPayPal.java b/src/main/java/com/mangopay/entities/subentities/PayInPaymentDetailsPayPal.java
index ca4b4f41..294972d5 100644
--- a/src/main/java/com/mangopay/entities/subentities/PayInPaymentDetailsPayPal.java
+++ b/src/main/java/com/mangopay/entities/subentities/PayInPaymentDetailsPayPal.java
@@ -56,10 +56,10 @@ public class PayInPaymentDetailsPayPal extends Dto implements PayInPaymentDetail
     private String buyerCountry;
 
     @SerializedName("BuyerFirstname")
-    private String buyerFirstname;
+    private String buyerFirstName;
 
     @SerializedName("BuyerLastname")
-    private String buyerLastname;
+    private String buyerLastName;
 
     @SerializedName("BuyerPhone")
     private String buyerPhone;
@@ -165,20 +165,20 @@ public void setBuyerCountry(String buyerCountry) {
         this.buyerCountry = buyerCountry;
     }
 
-    public String getBuyerFirstname() {
-        return buyerFirstname;
+    public String getBuyerFirstName() {
+        return buyerFirstName;
     }
 
-    public void setBuyerFirstname(String buyerFirstname) {
-        this.buyerFirstname = buyerFirstname;
+    public void setBuyerFirstName(String buyerFirstname) {
+        this.buyerFirstName = buyerFirstname;
     }
 
-    public String getBuyerLastname() {
-        return buyerLastname;
+    public String getBuyerLastName() {
+        return buyerLastName;
     }
 
-    public void setBuyerLastname(String buyerLastname) {
-        this.buyerLastname = buyerLastname;
+    public void setBuyerLastName(String buyerLastname) {
+        this.buyerLastName = buyerLastname;
     }
 
     public String getBuyerPhone() {