diff --git a/api/routes/forms.py b/api/routes/forms.py
index cee5356..13118a5 100644
--- a/api/routes/forms.py
+++ b/api/routes/forms.py
@@ -12,6 +12,7 @@
 
 @router.post("/fill", response_model=FormFillResponse)
 def fill_form(form: FormFill, db: Session = Depends(get_db)):
+
     fetched_template = get_template(db, form.template_id)
     if not fetched_template:
         raise AppError("Template not found", status_code=404)
diff --git a/api/schemas/forms.py b/api/schemas/forms.py
index 3cce650..bf6957e 100644
--- a/api/schemas/forms.py
+++ b/api/schemas/forms.py
@@ -1,9 +1,15 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, field_validator
 
 class FormFill(BaseModel):
     template_id: int
     input_text: str
 
+    @field_validator("input_text")
+    def validate_input_text(cls, value):
+        if not value or not value.strip():
+            raise ValueError("Input text cannot be empty")
+        return value
+
 
 class FormFillResponse(BaseModel):
     id: int