diff --git a/README.md b/README.md
index 7729855..5674c20 100644
--- a/README.md
+++ b/README.md
@@ -175,12 +175,15 @@ payment_methods: List[PaymentMethod] = [
     }
 ]
 
+policy_id: str = 'policy-id'
+
 assessment: dict = api.register_payment('installation-id',
                                         'account-id',
                                         'external-id',
                                         addresses=addresses,
                                         payment_value=payment_value,
-                                        payment_methods=payment_methods)
+                                        payment_methods=payment_methods,
+                                        policy_id=policy_id)
 ```
 
 #### Registering Login
@@ -193,7 +196,12 @@ from incognia.api import IncogniaAPI
 
 api = IncogniaAPI('client-id', 'client-secret')
 
-assessment: dict = api.register_login('installation-id', 'account-id', 'external-id')
+policy_id: str = 'policy-id'
+
+assessment: dict = api.register_login('installation-id', 
+                                      'account-id', 
+                                      'external-id', 
+                                      policy_id='policy_id')
 ```
 
 ## Evidences
diff --git a/incognia/api.py b/incognia/api.py
index b508f35..79a4f4d 100644
--- a/incognia/api.py
+++ b/incognia/api.py
@@ -101,7 +101,8 @@ def register_payment(self,
                          addresses: Optional[List[TransactionAddress]] = None,
                          payment_value: Optional[PaymentValue] = None,
                          payment_methods: Optional[List[PaymentMethod]] = None,
-                         evaluate: Optional[bool] = None) -> dict:
+                         evaluate: Optional[bool] = None,
+                         policy_id: Optional[str] = None) -> dict:
         if not installation_id:
             raise IncogniaError('installation_id is required.')
         if not account_id:
@@ -118,7 +119,8 @@ def register_payment(self,
                 'external_id': external_id,
                 'addresses': addresses,
                 'payment_value': payment_value,
-                'payment_methods': payment_methods
+                'payment_methods': payment_methods,
+                'policy_id': policy_id
             }
             data = encode(body)
             return self.__request.post(Endpoints.TRANSACTIONS, headers=headers, params=params,
@@ -131,7 +133,8 @@ def register_login(self,
                        installation_id: str,
                        account_id: str,
                        external_id: Optional[str] = None,
-                       evaluate: Optional[bool] = None) -> dict:
+                       evaluate: Optional[bool] = None,
+                       policy_id: Optional[str] = None) -> dict:
         if not installation_id:
             raise IncogniaError('installation_id is required.')
         if not account_id:
@@ -145,7 +148,8 @@ def register_login(self,
                 'type': 'login',
                 'installation_id': installation_id,
                 'account_id': account_id,
-                'external_id': external_id
+                'external_id': external_id,
+                'policy_id': policy_id
             }
             data = encode(body)
             return self.__request.post(Endpoints.TRANSACTIONS, headers=headers, params=params,
@@ -158,7 +162,8 @@ def register_web_login(self,
                            session_token: str,
                            account_id: str,
                            external_id: Optional[str] = None,
-                           evaluate: Optional[bool] = None) -> dict:
+                           evaluate: Optional[bool] = None,
+                           policy_id: Optional[str] = None) -> dict:
         if not session_token:
             raise IncogniaError('session_token is required.')
         if not account_id:
@@ -172,7 +177,8 @@ def register_web_login(self,
                 'type': 'login',
                 'session_token': session_token,
                 'account_id': account_id,
-                'external_id': external_id
+                'external_id': external_id,
+                'policy_id': policy_id
             }
             data = encode(body)
             return self.__request.post(Endpoints.TRANSACTIONS, headers=headers, params=params,
diff --git a/tests/test_api.py b/tests/test_api.py
index d9c5a37..fc92957 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -83,7 +83,8 @@ class TestIncogniaAPI(TestCase):
     REGISTER_VALID_PAYMENT_DATA: Final[bytes] = encode({
         'type': 'payment',
         'installation_id': f'{INSTALLATION_ID}',
-        'account_id': f'{ACCOUNT_ID}'
+        'account_id': f'{ACCOUNT_ID}',
+        'policy_id': f'{POLICY_ID}'
     })
     REGISTER_INVALID_PAYMENT_DATA: Final[bytes] = encode({
         'type': 'payment',
@@ -93,12 +94,14 @@ class TestIncogniaAPI(TestCase):
     REGISTER_VALID_LOGIN_DATA: Final[bytes] = encode({
         'type': 'login',
         'installation_id': f'{INSTALLATION_ID}',
-        'account_id': f'{ACCOUNT_ID}'
+        'account_id': f'{ACCOUNT_ID}',
+        'policy_id': f'{POLICY_ID}'
     })
     REGISTER_VALID_WEB_LOGIN_DATA: Final[bytes] = encode({
         'type': 'login',
         'session_token': f'{SESSION_TOKEN}',
-        'account_id': f'{ACCOUNT_ID}'
+        'account_id': f'{ACCOUNT_ID}',
+        'policy_id': f'{POLICY_ID}'
     })
     REGISTER_INVALID_LOGIN_DATA: Final[bytes] = encode({
         'type': 'login',
@@ -277,7 +280,9 @@ def test_register_payment_when_required_fields_are_valid_should_work(
 
         api = IncogniaAPI(self.CLIENT_ID, self.CLIENT_SECRET)
 
-        request_response = api.register_payment(self.INSTALLATION_ID, self.ACCOUNT_ID)
+        request_response = api.register_payment(self.INSTALLATION_ID,
+                                                self.ACCOUNT_ID,
+                                                policy_id=self.POLICY_ID)
 
         mock_token_manager_get.assert_called()
         mock_base_request_post.assert_called_with(Endpoints.TRANSACTIONS,
@@ -337,7 +342,9 @@ def test_register_login_when_required_fields_are_valid_should_work(
 
         api = IncogniaAPI(self.CLIENT_ID, self.CLIENT_SECRET)
 
-        request_response = api.register_login(self.INSTALLATION_ID, self.ACCOUNT_ID)
+        request_response = api.register_login(self.INSTALLATION_ID,
+                                              self.ACCOUNT_ID,
+                                              policy_id=self.POLICY_ID)
 
         mock_token_manager_get.assert_called()
         mock_base_request_post.assert_called_with(Endpoints.TRANSACTIONS,
@@ -397,7 +404,9 @@ def test_register_web_login_when_required_fields_are_valid_should_work(
 
         api = IncogniaAPI(self.CLIENT_ID, self.CLIENT_SECRET)
 
-        request_response = api.register_web_login(self.SESSION_TOKEN, self.ACCOUNT_ID)
+        request_response = api.register_web_login(self.SESSION_TOKEN,
+                                                  self.ACCOUNT_ID,
+                                                  policy_id=self.POLICY_ID)
 
         mock_token_manager_get.assert_called()
         mock_base_request_post.assert_called_with(Endpoints.TRANSACTIONS,