diff --git a/cuenca/resources/arpc.py b/cuenca/resources/arpc.py
index 983841cd..111a5924 100644
--- a/cuenca/resources/arpc.py
+++ b/cuenca/resources/arpc.py
@@ -2,7 +2,6 @@
 from typing import ClassVar, Optional
 
 from cuenca_validations.types.requests import ARPCRequest
-from pydantic_extra_types.payment import PaymentCardNumber
 
 from ..http import Session, session as global_session
 from .base import Creatable
@@ -30,7 +29,7 @@ class Arpc(Creatable):
     @classmethod
     def create(
         cls,
-        number: PaymentCardNumber,
+        number: str,
         arqc: str,
         arpc_method: str,
         transaction_data: str,
@@ -51,6 +50,6 @@ def create(
             transaction_counter=transaction_counter,
             pan_sequence=pan_sequence,
             unique_number=unique_number,
-            track_data_method=track_data_method,  # type: ignore
+            track_data_method=track_data_method,
         )
         return cls._create(session=session, **req.model_dump())
diff --git a/cuenca/resources/card_activations.py b/cuenca/resources/card_activations.py
index 89777d59..f7d72520 100644
--- a/cuenca/resources/card_activations.py
+++ b/cuenca/resources/card_activations.py
@@ -2,7 +2,6 @@
 from typing import ClassVar, Optional, cast
 
 from cuenca_validations.types.requests import CardActivationRequest
-from pydantic_extra_types.payment import PaymentCardNumber
 
 from ..http import Session, session as global_session
 from .base import Creatable
@@ -22,7 +21,7 @@ class CardActivation(Creatable):
     @classmethod
     def create(
         cls,
-        number: PaymentCardNumber,
+        number: str,
         exp_month: int,
         exp_year: int,
         cvv2: str,
diff --git a/cuenca/resources/card_validations.py b/cuenca/resources/card_validations.py
index 244a6ccf..2ad4ee87 100644
--- a/cuenca/resources/card_validations.py
+++ b/cuenca/resources/card_validations.py
@@ -3,7 +3,6 @@
 
 from cuenca_validations.types import CardStatus, CardType
 from cuenca_validations.types.requests import CardValidationRequest
-from pydantic_extra_types.payment import PaymentCardNumber
 
 from ..http import Session, session as global_session
 from .base import Creatable
@@ -31,7 +30,7 @@ class CardValidation(Creatable):
     @classmethod
     def create(
         cls,
-        number: PaymentCardNumber,
+        number: str,
         cvv: Optional[str] = None,
         cvv2: Optional[str] = None,
         icvv: Optional[str] = None,
diff --git a/cuenca/resources/curp_validations.py b/cuenca/resources/curp_validations.py
index 4a43dd95..4b217490 100644
--- a/cuenca/resources/curp_validations.py
+++ b/cuenca/resources/curp_validations.py
@@ -94,7 +94,7 @@ def create(
             second_surname=second_surname,
             date_of_birth=date_of_birth,
             state_of_birth=state_of_birth,
-            country_of_birth=country_of_birth,  # type: ignore
+            country_of_birth=country_of_birth,
             gender=gender,
             manual_curp=manual_curp,
         )
diff --git a/cuenca/resources/file_batches.py b/cuenca/resources/file_batches.py
index d0d10fdb..185bf1cc 100644
--- a/cuenca/resources/file_batches.py
+++ b/cuenca/resources/file_batches.py
@@ -1,6 +1,10 @@
 from typing import ClassVar
 
-from cuenca_validations.types import BatchFileMetadata, FileBatchUploadRequest
+from cuenca_validations.types import (
+    BatchFileMetadata,
+    FileBatchUploadRequest,
+    FileRequest,
+)
 
 from ..http import Session, session as global_session
 from .base import Creatable, Queryable
@@ -22,7 +26,7 @@ def create(
         session: Session = global_session,
     ) -> 'FileBatch':
         req = FileBatchUploadRequest(
-            files=files,  # type: ignore
+            files=[FileRequest(**f) for f in files],
             user_id=user_id,
         )
         return cls._create(session=session, **req.model_dump())
diff --git a/cuenca/resources/files.py b/cuenca/resources/files.py
index b7de4bc6..f97fbf93 100644
--- a/cuenca/resources/files.py
+++ b/cuenca/resources/files.py
@@ -40,7 +40,7 @@ def upload(
         req = FileUploadRequest(
             file=file.read(),
             type=file_type,
-            extension=extension,  # type: ignore
+            extension=extension,
             is_back=is_back,
             user_id=user_id,
         )
diff --git a/cuenca/resources/sessions.py b/cuenca/resources/sessions.py
index 0d6b0b96..4c8eff0d 100644
--- a/cuenca/resources/sessions.py
+++ b/cuenca/resources/sessions.py
@@ -48,7 +48,7 @@ def create(
         req = SessionRequest(
             user_id=user_id,
             type=type,
-            success_url=success_url,  # type: ignore
-            failure_url=failure_url,  # type: ignore
+            success_url=success_url,
+            failure_url=failure_url,
         )
         return cls._create(session=session, **req.model_dump())
diff --git a/cuenca/resources/transfers.py b/cuenca/resources/transfers.py
index ab20043a..bde76ac3 100644
--- a/cuenca/resources/transfers.py
+++ b/cuenca/resources/transfers.py
@@ -62,7 +62,7 @@ def create(
         if not idempotency_key:
             idempotency_key = cls._gen_idempotency_key(account_number, amount)
         req = TransferRequest(
-            account_number=account_number,  # type: ignore
+            account_number=account_number,
             amount=amount,
             descriptor=descriptor,
             recipient_name=recipient_name,
diff --git a/cuenca/resources/user_lists_validation.py b/cuenca/resources/user_lists_validation.py
index ae01db21..9fb97ef1 100644
--- a/cuenca/resources/user_lists_validation.py
+++ b/cuenca/resources/user_lists_validation.py
@@ -34,6 +34,6 @@ def create(
             first_surname=first_surname,
             second_surname=second_surname,
             curp=curp,
-            account_number=account_number,  # type: ignore
+            account_number=account_number,
         )
         return cls._create(session=session, **req.model_dump())
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 00000000..895701cc
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,2 @@
+[mypy]
+plugins = pydantic.mypy
\ No newline at end of file