diff --git a/README.md b/README.md
index c6dc2e1..99a6136 100644
--- a/README.md
+++ b/README.md
@@ -23,14 +23,14 @@ And then add the artifact `incognia-api-client` **or** `incognia-api-client-shad
 <dependency>
   <groupId>com.incognia</groupId>
   <artifactId>incognia-api-client</artifactId>
-  <version>3.2.0</version>
+  <version>3.3.0</version>
 </dependency>
 ```
 ```xml
 <dependency>
   <groupId>com.incognia</groupId>
   <artifactId>incognia-api-client-shaded</artifactId>
-  <version>3.2.0</version>
+  <version>3.3.0</version>
 </dependency>
 ```
 
@@ -47,13 +47,13 @@ repositories {
 And then add the dependency
 ```gradle
 dependencies {
-     implementation 'com.incognia:incognia-api-client:3.2.0'
+     implementation 'com.incognia:incognia-api-client:3.3.0'
 }
 ```
 OR
 ```gradle
 dependencies {
-     implementation 'com.incognia:incognia-api-client-shaded:3.2.0'
+     implementation 'com.incognia:incognia-api-client-shaded:3.3.0'
 }
 ```
 
diff --git a/build.gradle b/build.gradle
index f38af33..f37c0d2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "com.incognia"
-version = "3.2.0"
+version = "3.3.0"
 
 task createProjectVersionFile {
     def projectVersionDir = "$projectDir/src/main/java/com/incognia/api"
diff --git a/src/main/java/com/incognia/api/IncogniaAPI.java b/src/main/java/com/incognia/api/IncogniaAPI.java
index d27db82..50d806b 100644
--- a/src/main/java/com/incognia/api/IncogniaAPI.java
+++ b/src/main/java/com/incognia/api/IncogniaAPI.java
@@ -134,9 +134,6 @@ public static IncogniaAPI instance() {
    */
   public SignupAssessment registerSignup(RegisterSignupRequest request) throws IncogniaException {
     Asserts.assertNotNull(request, "register signup request");
-    Asserts.assertNotEmpty(
-        Optional.ofNullable(request.getRequestToken()).orElse(request.getInstallationId()),
-        "request token");
     Optional<Address> address = Optional.ofNullable(request.getAddress());
     PostSignupRequestBody postSignupRequestBody =
         PostSignupRequestBody.builder()
@@ -190,9 +187,6 @@ public SignupAssessment registerSignup(RegisterSignupRequest request) throws Inc
   public TransactionAssessment registerLogin(RegisterLoginRequest request)
       throws IncogniaException {
     Asserts.assertNotNull(request, "register login request");
-    Asserts.assertNotEmpty(
-        Optional.ofNullable(request.getRequestToken()).orElse(request.getInstallationId()),
-        "request token");
     Asserts.assertNotEmpty(request.getAccountId(), "account id");
     PostTransactionRequestBody requestBody =
         PostTransactionRequestBody.builder()
@@ -388,9 +382,6 @@ public SignupAssessment registerWebSignup(RegisterWebSignupRequest request)
   public TransactionAssessment registerPayment(RegisterPaymentRequest request)
       throws IncogniaException {
     Asserts.assertNotNull(request, "register payment request");
-    Asserts.assertNotEmpty(
-        Optional.ofNullable(request.getRequestToken()).orElse(request.getInstallationId()),
-        "request token");
     Asserts.assertNotEmpty(request.getAccountId(), "account id");
     List<TransactionAddress> transactionAddresses =
         addressMapToTransactionAddresses(request.getAddresses());
diff --git a/src/test/java/com/incognia/api/IncogniaAPITest.java b/src/test/java/com/incognia/api/IncogniaAPITest.java
index 8db5c57..5f11867 100644
--- a/src/test/java/com/incognia/api/IncogniaAPITest.java
+++ b/src/test/java/com/incognia/api/IncogniaAPITest.java
@@ -270,34 +270,6 @@ void testRegisterWebSignup_whenDataIsValid() {
     assertThat(webSignupAssessment.getReasons()).containsExactly(expectedReason);
   }
 
-  @Test
-  @DisplayName("should throw illegal argument exception with correct message")
-  @SneakyThrows
-  void testRegisterSignup_whenEmptyRequestToken() {
-    assertThatThrownBy(
-            () ->
-                client.registerSignup(
-                    RegisterSignupRequest.builder()
-                        .requestToken("")
-                        .address(AddressFixture.ADDRESS_ADDRESS_LINE)
-                        .customProperties(null)
-                        .build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-  }
-
-  @Test
-  @DisplayName("should throw illegal argument exception with correct message")
-  @SneakyThrows
-  void testRegisterWebSignup_whenEmptyRequestToken() {
-    assertThatThrownBy(
-            () ->
-                client.registerWebSignup(
-                    RegisterWebSignupRequest.builder().requestToken("").build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-  }
-
   @ParameterizedTest
   @ValueSource(booleans = {true})
   @NullSource
@@ -608,54 +580,6 @@ void testRegisterFeedback_whenDataIsValid(boolean dryRun) {
         dryRun);
   }
 
-  @Test
-  @DisplayName("should throw illegal argument exception with correct message")
-  @SneakyThrows
-  void testRegisterPayment_whenRequestTokenIsNotValid() {
-    assertThatThrownBy(
-            () ->
-                client.registerPayment(
-                    RegisterPaymentRequest.builder()
-                        .requestToken("")
-                        .accountId("account id")
-                        .build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-    assertThatThrownBy(
-            () ->
-                client.registerPayment(
-                    RegisterPaymentRequest.builder()
-                        .requestToken(null)
-                        .accountId("account id")
-                        .build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-  }
-
-  @Test
-  @DisplayName("should throw illegal argument exception with correct message")
-  @SneakyThrows
-  void testRegisterLogin_whenRequestTokenIsNotValid() {
-    assertThatThrownBy(
-            () ->
-                client.registerLogin(
-                    RegisterLoginRequest.builder()
-                        .requestToken("")
-                        .accountId("account id")
-                        .build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-    assertThatThrownBy(
-            () ->
-                client.registerLogin(
-                    RegisterLoginRequest.builder()
-                        .requestToken(null)
-                        .accountId("account id")
-                        .build()))
-        .isInstanceOf(IllegalArgumentException.class)
-        .hasMessage("'request token' cannot be empty");
-  }
-
   @Test
   @DisplayName("should throw illegal argument exception with correct message")
   @SneakyThrows