docs(api): clarify CVV format in tokenizations and card

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 213
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-81febc26f7987ef8f74f2038dddd4799a1e77b2c64d2fe36c2c9f2eb5079476b.yml
-openapi_spec_hash: 91e4b19977ca68b988862e967be57d26
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-c150a226e74fdd73925fcba89261022e91a6d4f57dbb305a54063499641427ae.yml
+openapi_spec_hash: 1df81bae378c3cbf265b0fb4cefa2969
 config_hash: 337a99d8cc30006358b7bc2531401669

src/lithic/resources/tokenizations.py

@@ -354,7 +354,7 @@ def simulate(
         and merchant tokenization ecosystem.
 
         Args:
-          cvv: The three digit cvv for the card.
+          cvv: The three or four digit CVV for the card. AMEX cards use four digit CVVs.
 
           expiration_date: The expiration date of the card in 'MM/YY' format.
 
@@ -822,7 +822,7 @@ async def simulate(
         and merchant tokenization ecosystem.
 
         Args:
-          cvv: The three digit cvv for the card.
+          cvv: The three or four digit CVV for the card. AMEX cards use four digit CVVs.
 
           expiration_date: The expiration date of the card in 'MM/YY' format.
 

src/lithic/types/card.py

@@ -13,7 +13,7 @@ class Card(NonPCICard):
     """
 
     cvv: Optional[str] = None
-    """Three digit cvv printed on the back of the card."""
+    """Three or four digit CVV printed on the card. Amex cards use four digit CVVs"""
 
     pan: Optional[str] = None
     """Primary Account Number (PAN) (i.e.

src/lithic/types/tokenization_simulate_params.py

@@ -9,7 +9,7 @@
 
 class TokenizationSimulateParams(TypedDict, total=False):
     cvv: Required[str]
-    """The three digit cvv for the card."""
+    """The three or four digit CVV for the card. AMEX cards use four digit CVVs."""
 
     expiration_date: Required[str]
     """The expiration date of the card in 'MM/YY' format."""