diff --git a/src/main/java/cc/protea/spreedly/Spreedly.java b/src/main/java/cc/protea/spreedly/Spreedly.java
index 8c7536b..b560cc8 100644
--- a/src/main/java/cc/protea/spreedly/Spreedly.java
+++ b/src/main/java/cc/protea/spreedly/Spreedly.java
@@ -396,8 +396,8 @@ public SpreedlyPaymentMethod update(final SpreedlyPaymentMethod paymentMethod) {
 	 * For more details see https://docs.spreedly.com/guides/3dsecure2/
 	 * @param token transaction_token to complete
 	 */
-	public SpreedlyTransactionResponse complete(String token) {
-		return util.post("https://core.spreedly.com/v1/transactions/" + token + "/complete.xml", null, SpreedlyTransactionResponse.class);
+	public SpreedlyTransactionResponse complete(String token, SpreedlyCompleteRequest request) {
+		return util.post("https://core.spreedly.com/v1/transactions/" + token + "/complete.xml", request, SpreedlyTransactionResponse.class);
 	}
 
 }
diff --git a/src/main/java/cc/protea/spreedly/model/SpreedlyCompleteRequest.java b/src/main/java/cc/protea/spreedly/model/SpreedlyCompleteRequest.java
new file mode 100644
index 0000000..8657e35
--- /dev/null
+++ b/src/main/java/cc/protea/spreedly/model/SpreedlyCompleteRequest.java
@@ -0,0 +1,63 @@
+
+package cc.protea.spreedly.model;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(name = "", propOrder = {
+        "entry"
+})
+@XmlRootElement(name = "context")
+public class SpreedlyCompleteRequest {
+
+    protected List<SpreedlyCompleteRequest.Entry> entry;
+
+
+    public List<SpreedlyCompleteRequest.Entry> getEntry() {
+        if (entry == null) {
+            entry = new ArrayList<SpreedlyCompleteRequest.Entry>();
+        }
+        return this.entry;
+    }
+
+    public void setEntry(List<Entry> entry) {
+        this.entry = entry;
+    }
+
+    @XmlAccessorType(XmlAccessType.FIELD)
+    @XmlType(name = "", propOrder = {
+            "key",
+            "value"
+    })
+    public static class Entry {
+
+        @XmlElement(required = true)
+        protected String key;
+        @XmlElement(required = true)
+        protected Object value;
+
+        public String getKey() {
+            return key;
+        }
+
+        public void setKey(String value) {
+            this.key = value;
+        }
+
+        public Object getValue() {
+            return value;
+        }
+
+        public void setValue(Object value) {
+            this.value = value;
+        }
+
+    }
+
+}