diff --git a/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/model/TransactionTest.java b/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/model/TransactionTest.java
index 9feb229..7b9505e 100644
--- a/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/model/TransactionTest.java
+++ b/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/model/TransactionTest.java
@@ -455,6 +455,49 @@ public Promise<Transaction> call(UpholdRestAdapter adapter) {
         Assert.assertEquals(bodyOutput.toString(), "{\"beneficiary\":{\"address\":{\"city\":\"faz\",\"country\":\"fez\",\"line1\":\"fiz\",\"line2\":\"foz\",\"state\":\"fuz\",\"zipCode\":\"foobiz\"},\"name\":\"buz\",\"relationship\":\"fez\"},\"message\":\"foobar\"}");
     }
 
+    @Test
+    public void commitWithMessageAndSecurityCodeShouldReturnTheTransaction() throws Exception {
+        ByteArrayOutputStream bodyOutput = new ByteArrayOutputStream();
+        String responseString = "{ \"id\": \"foobar\" }";
+
+        MockRestAdapter<Transaction> adapter = new MockRestAdapter<>(responseString, null);
+
+        adapter.request(new RepromiseFunction<UpholdRestAdapter, Transaction>() {
+            @Override
+            public Promise<Transaction> call(UpholdRestAdapter adapter) {
+                Transaction transaction = Fixtures.loadTransaction(new HashMap<String, String>() {{
+                    put("transactionStatus", "pending");
+                    put("originCardId", "foo");
+                    put("transactionId", "bar");
+                }});
+
+                transaction.setUpholdRestAdapter(adapter);
+
+                return transaction.commit(new TransactionCommitRequest("foobar", "foo"));
+            }
+        });
+
+        Header otpHeader = null;
+        Request request = adapter.getRequest();
+        Transaction transaction = adapter.getResult();
+
+        for (Header header : request.getHeaders()) {
+            if ("OTP-Token".equalsIgnoreCase(header.getName())) {
+                otpHeader = header;
+
+                break;
+            }
+        }
+
+        request.getBody().writeTo(bodyOutput);
+
+        Assert.assertEquals(request.getUrl(), String.format("%s/v0/me/cards/foo/transactions/bar/commit", BuildConfig.API_SERVER_URL));
+        Assert.assertEquals(request.getMethod(), "POST");
+        Assert.assertNull(otpHeader);
+        Assert.assertEquals(transaction.getId(), "foobar");
+        Assert.assertEquals(bodyOutput.toString(), "{\"message\":\"foobar\",\"securityCode\":\"foo\"}");
+    }
+
     @Test
     public void commitWithOTPShouldReturnTheTransaction() throws Exception {
         ByteArrayOutputStream bodyOutput = new ByteArrayOutputStream();
diff --git a/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/service/UserCardServiceTest.java b/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/service/UserCardServiceTest.java
index e8a6d35..b2e6b22 100644
--- a/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/service/UserCardServiceTest.java
+++ b/src/app/src/androidTest/java/com/uphold/uphold_android_sdk/test/integration/service/UserCardServiceTest.java
@@ -74,7 +74,7 @@ public Promise<Transaction> call(UpholdRestAdapter upholdRestAdapter) {
                 UserCardService userCardService = adapter.getRestAdapter().create(UserCardService.class);
                 RetrofitPromise<Transaction> promise = new RetrofitPromise<>();
 
-                userCardService.confirmTransaction("foo", "bar", new TransactionCommitRequest("message"), "otp", promise);
+                userCardService.confirmTransaction("foo", "bar", new TransactionCommitRequest("message", "securityCode"), "otp", promise);
 
                 return promise;
             }
diff --git a/src/app/src/main/java/com/uphold/uphold_android_sdk/model/Transaction.java b/src/app/src/main/java/com/uphold/uphold_android_sdk/model/Transaction.java
index 594971c..9ea1bce 100644
--- a/src/app/src/main/java/com/uphold/uphold_android_sdk/model/Transaction.java
+++ b/src/app/src/main/java/com/uphold/uphold_android_sdk/model/Transaction.java
@@ -207,7 +207,7 @@ public Promise<Transaction> commit(String otp, TransactionCommitRequest transact
         }
 
         if (transactionCommitRequest == null) {
-            transactionCommitRequest = new TransactionCommitRequest(null, null);
+            transactionCommitRequest = new TransactionCommitRequest((String) null);
         }
 
         userCardService.confirmTransaction(getCardIdPath(), this.getId(), transactionCommitRequest, otp, promise);
diff --git a/src/app/src/main/java/com/uphold/uphold_android_sdk/model/transaction/TransactionCommitRequest.java b/src/app/src/main/java/com/uphold/uphold_android_sdk/model/transaction/TransactionCommitRequest.java
index a9dfd96..859e243 100644
--- a/src/app/src/main/java/com/uphold/uphold_android_sdk/model/transaction/TransactionCommitRequest.java
+++ b/src/app/src/main/java/com/uphold/uphold_android_sdk/model/transaction/TransactionCommitRequest.java
@@ -10,6 +10,7 @@ public class TransactionCommitRequest implements Serializable {
 
     private final Beneficiary beneficiary;
     private final String message;
+    private final String securityCode;
 
     /**
      * Constructor.
@@ -20,6 +21,7 @@ public class TransactionCommitRequest implements Serializable {
     public TransactionCommitRequest(Beneficiary beneficiary) {
         this.beneficiary = beneficiary;
         this.message = null;
+        this.securityCode = null;
     }
 
     /**
@@ -31,6 +33,7 @@ public TransactionCommitRequest(Beneficiary beneficiary) {
     public TransactionCommitRequest(String message) {
         this.beneficiary = null;
         this.message = message;
+        this.securityCode = null;
     }
 
     /**
@@ -43,6 +46,20 @@ public TransactionCommitRequest(String message) {
     public TransactionCommitRequest(Beneficiary beneficiary, String message) {
         this.beneficiary = beneficiary;
         this.message = message;
+        this.securityCode = null;
+    }
+
+    /**
+     * Constructor.
+     *
+     * @param message The transaction message.
+     * @param securityCode The transaction security code.
+     */
+
+    public TransactionCommitRequest(String message, String securityCode) {
+        this.beneficiary = null;
+        this.message = message;
+        this.securityCode = securityCode;
     }
 
     /**
@@ -65,4 +82,14 @@ public String getMessage() {
         return message;
     }
 
+    /**
+     * Gets the transaction security code.
+     *
+     * @return the transaction security code.
+     */
+
+    public String getSecurityCode() {
+        return securityCode;
+    }
+
 }
diff --git a/src/app/src/test/java/com/uphold/uphold_android_sdk/test/unit/model/transaction/TransactionCommitRequestTest.java b/src/app/src/test/java/com/uphold/uphold_android_sdk/test/unit/model/transaction/TransactionCommitRequestTest.java
index 31a0bb9..aa22990 100644
--- a/src/app/src/test/java/com/uphold/uphold_android_sdk/test/unit/model/transaction/TransactionCommitRequestTest.java
+++ b/src/app/src/test/java/com/uphold/uphold_android_sdk/test/unit/model/transaction/TransactionCommitRequestTest.java
@@ -64,4 +64,14 @@ public void shouldBeSerializableTransactionCommitRequestWithBeneficiaryAndMessag
         Assert.assertEquals(transactionCommitRequest.getBeneficiary().getRelationship(), deserializedTransactionCommitRequestTest.getBeneficiary().getRelationship());
     }
 
+    @Test
+    public void shouldBeSerializableTransactionCommitRequestWithMessageAndSecurityCode() {
+        TransactionCommitRequest transactionCommitRequest = new TransactionCommitRequest("foo", "bar");
+        byte[] serializedTransactionCommitRequestTest = SerializationUtils.serialize(transactionCommitRequest);
+        TransactionCommitRequest deserializedTransactionCommitRequestTest = SerializationUtils.deserialize(serializedTransactionCommitRequestTest);
+
+        Assert.assertEquals(transactionCommitRequest.getMessage(), deserializedTransactionCommitRequestTest.getMessage());
+        Assert.assertEquals(transactionCommitRequest.getSecurityCode(), deserializedTransactionCommitRequestTest.getSecurityCode());
+    }
+
 }