diff --git a/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_decrementables.py b/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_decrementables.py
index 796bfee1..c9718994 100644
--- a/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_decrementables.py
+++ b/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_decrementables.py
@@ -17,10 +17,10 @@ class PedimentoDecrementablesBase(BaseModel):
     others: Optional[Decimal] = Field(None, description="Others")
     currency: Optional[str] = Field(None, max_length=3, description="Currency")
     currency_factor: Optional[Decimal] = Field(None, description="Currency factor")
-    not_affect_usd_value: Optional[bool] = Field(
+    not_affect_usd_value: Optional[int] = Field(
         None, description="Not affect USD value"
     )
-    not_affect_customs_value: Optional[bool] = Field(
+    not_affect_customs_value: Optional[int] = Field(
         None, description="Not affect customs value"
     )
 
@@ -41,8 +41,8 @@ class PedimentoDecrementablesUpdate(BaseModel):
     others: Optional[Decimal] = None
     currency: Optional[str] = Field(None, max_length=3)
     currency_factor: Optional[Decimal] = None
-    not_affect_usd_value: Optional[bool] = None
-    not_affect_customs_value: Optional[bool] = None
+    not_affect_usd_value: Optional[int] = None
+    not_affect_customs_value: Optional[int] = None
 
 
 class PedimentoDecrementablesResponse(PedimentoDecrementablesBase):
diff --git a/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_incrementables.py b/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_incrementables.py
index c8100d01..acc6312e 100644
--- a/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_incrementables.py
+++ b/backend/api/v1/modules/a76/pedmientos/dtos/pedimento_incrementables.py
@@ -18,10 +18,10 @@ class PedimentoIncrementablesBase(BaseModel):
     deductibles: Optional[Decimal] = Field(None, description="Deductibles")
     currency: Optional[str] = Field(None, max_length=3, description="Currency")
     currency_factor: Optional[Decimal] = Field(None, description="Currency factor")
-    not_affect_usd_value: Optional[bool] = Field(
+    not_affect_usd_value: Optional[int] = Field(
         None, description="Not affect USD value"
     )
-    not_affect_customs_value: Optional[bool] = Field(
+    not_affect_customs_value: Optional[int] = Field(
         None, description="Not affect customs value"
     )
 
@@ -43,8 +43,8 @@ class PedimentoIncrementablesUpdate(BaseModel):
     deductibles: Optional[Decimal] = None
     currency: Optional[str] = Field(None, max_length=3)
     currency_factor: Optional[Decimal] = None
-    not_affect_usd_value: Optional[bool] = None
-    not_affect_customs_value: Optional[bool] = None
+    not_affect_usd_value: Optional[int] = None
+    not_affect_customs_value: Optional[int] = None
 
 
 class PedimentoIncrementablesResponse(PedimentoIncrementablesBase):
diff --git a/backend/main.py b/backend/main.py
index b7ed6b69..b5a0c59a 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -45,6 +45,7 @@ app = FastAPI(
     docs_url="/api/docs" if settings.DEBUG else None,
     redoc_url="/api/redoc" if settings.DEBUG else None,
     openapi_url="/api/openapi.json" if settings.DEBUG else None,
+    redirect_slashes=True,
 )
 
 # Registrar manejadores de excepciones