diff --git a/modules/sale_don_confiao/routes.py b/modules/sale_don_confiao/routes.py
index 1454c6a..c9983ae 100644
--- a/modules/sale_don_confiao/routes.py
+++ b/modules/sale_don_confiao/routes.py
@@ -4,163 +4,161 @@ from trytond.protocols.wrappers import (
     with_pool,
     with_transaction,
     user_application,
-    allow_null_origin)
+    allow_null_origin,
+)
 import json
 
-don_confiao_application = user_application(
-    'sale_don_confiao')
+don_confiao_application = user_application("sale_don_confiao")
 
 
-@app.route('/<database_name>/sale_don_confiao/parties', methods=[
-    'GET', 'POST'])
+@app.route("/<database_name>/sale_don_confiao/parties", methods=["GET", "POST"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def parties(request, pool):
-    Party = pool.get('party.party')
-    if request.method == 'GET':
+    Party = pool.get("party.party")
+    if request.method == "GET":
         parties = Party.search_read(
-            [],
-            order=[('id', 'ASC')],
-            fields_names=['id', 'name'])
+            [], order=[("id", "ASC")], fields_names=["id", "name"]
+        )
         return parties
 
-    if request.method == 'POST':
-        data = json.loads(
-            request.get_data().decode()
-        )
+    if request.method == "POST":
+        data = json.loads(request.get_data().decode())
 
-        Party.create([dict(data)])
+        party = Party.create([dict(data)])
+
+        if party:
+            party = party[0].id
+
+            response_data = {
+                "id": party,
+                "status": "success",
+                "message": "Party created successfully",
+            }
+
+            return json.dumps(response_data), 201
+
+        response_data = {
+            "id": None,
+            "status": "success",
+            "message": "Party not created",
+        }
+        return json.dumps(response_data), 404
 
 
-@app.route(
-    '/<database_name>/sale_don_confiao/party/<party>',
-    methods=['GET'])
+@app.route("/<database_name>/sale_don_confiao/party/<party>", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def party(request, pool, party: int):
-    Party = pool.get('party.party')
-    if request.method == 'GET':
-        parties = Party.search_read([
-            ('id', '=', int(party))
-        ], order=[
-            ('id', 'ASC')
-        ], fields_names=[
-            'id',
-            'name'])
+    Party = pool.get("party.party")
+    if request.method == "GET":
+        parties = Party.search_read(
+            [("id", "=", int(party))],
+            order=[("id", "ASC")],
+            fields_names=["id", "name"],
+        )
         return parties
 
 
-@app.route('/<database_name>/sale_don_confiao/categories', methods=['GET'])
+@app.route("/<database_name>/sale_don_confiao/categories", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def categories(request, pool):
-    Category = pool.get('product.category')
-    categories = Category.search_read([
-    ], order=[
-        ('id', 'ASC')
-    ], fields_names=[
-        'id',
-        'name'
-    ])
+    Category = pool.get("product.category")
+    categories = Category.search_read(
+        [], order=[("id", "ASC")], fields_names=["id", "name"]
+    )
     return categories
 
 
-@app.route('/<database_name>/sale_don_confiao/products', methods=['GET'])
+@app.route("/<database_name>/sale_don_confiao/products", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def products(request, pool):
-    with Transaction().set_context(
-            {'company': 1, 'locations': [3]}):
-        Product = pool.get('product.product')
-        products = Product.search_read([
-            ('salable', '=', True)
-        ], order=[
-            ('id', 'ASC')
-        ], fields_names=[
-            'id',
-            'name',
-            'template.list_price',
-            'default_uom.name',
-            'description',
-            'quantity',
-        ])
+    with Transaction().set_context({"company": 1, "locations": [3]}):
+        Product = pool.get("product.product")
+        products = Product.search_read(
+            [("salable", "=", True)],
+            order=[("id", "ASC")],
+            fields_names=[
+                "id",
+                "name",
+                "template.list_price",
+                "default_uom.name",
+                "description",
+                "quantity",
+            ],
+        )
 
         return products
 
 
 @app.route(
-    '/<database_name>/sale_don_confiao/search_products/<product_name>',
-    methods=['GET'])
+    "/<database_name>/sale_don_confiao/search_products/<product_name>", methods=["GET"]
+)
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def search_products(request, pool, product_name: str):
-    Product = pool.get('product.product')
-    with Transaction().set_context(
-            {'company': 1, 'locations': [3]}):
-        products = Product.search_read([
-            ('name', 'ilike', f'%{product_name}%')
-        ], order=[
-            ('id', 'ASC')
-        ], fields_names=[
-            'id',
-            'name',
-            'template.list_price',
-            'default_uom.name',
-            'description',
-            'quantity',
-        ])
+    Product = pool.get("product.product")
+    with Transaction().set_context({"company": 1, "locations": [3]}):
+        products = Product.search_read(
+            [("name", "ilike", f"%{product_name}%")],
+            order=[("id", "ASC")],
+            fields_names=[
+                "id",
+                "name",
+                "template.list_price",
+                "default_uom.name",
+                "description",
+                "quantity",
+            ],
+        )
 
     return products
 
 
-@app.route(
-    '/<database_name>/sale_don_confiao/sale/<sale_id>',
-    methods=['GET'])
+@app.route("/<database_name>/sale_don_confiao/sale/<sale_id>", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def sale(request, pool, sale_id: int):
-    Sale = pool.get('sale.sale')
-    if request.method == 'GET':
-        sales = Sale.search_read([
-            ('id', '=', sale_id)
-        ], order=[
-            ('id', 'ASC')
-        ], fields_names=[
-            'id',
-            'party.name',
-            'sale_date',
-            'shipment_address.street',
-            'untaxed_amount_cache',
-            'tax_amount_cache',
-            'total_amount_cache',
-        ])
+    Sale = pool.get("sale.sale")
+    if request.method == "GET":
+        sales = Sale.search_read(
+            [("id", "=", sale_id)],
+            order=[("id", "ASC")],
+            fields_names=[
+                "id",
+                "party.name",
+                "sale_date",
+                "shipment_address.street",
+                "untaxed_amount_cache",
+                "tax_amount_cache",
+                "total_amount_cache",
+            ],
+        )
         return sales
 
 
-@app.route(
-    '/<database_name>/sale_don_confiao/post_sale',
-    methods=['POST'])
+@app.route("/<database_name>/sale_don_confiao/post_sale", methods=["POST"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def post_sale(request, pool):
-    Sale = pool.get('sale.sale')
-    data = json.loads(
-        request.get_data().decode()
-    )
+    Sale = pool.get("sale.sale")
+    data = json.loads(request.get_data().decode())
 
     sales = Sale.create([dict(data)])
 
@@ -168,54 +166,43 @@ def post_sale(request, pool):
         return sales[0].id
 
 
-@app.route('/<database_name>/sale_don_confiao/sales', methods=['GET'])
+@app.route("/<database_name>/sale_don_confiao/sales", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def sales(request, pool):
-    Sale = pool.get('sale.sale')
-    sales = Sale.search_read([
-    ], order=[
-        ('id', 'ASC')
-    ], fields_names=[
-        'id',
-        'party.name',
-        'sale_date',
-        'shipment_address.street',
-        'untaxed_amount_cache',
-        'tax_amount_cache',
-        'total_amount_cache',
-    ])
+    Sale = pool.get("sale.sale")
+    sales = Sale.search_read(
+        [],
+        order=[("id", "ASC")],
+        fields_names=[
+            "id",
+            "party.name",
+            "sale_date",
+            "shipment_address.street",
+            "untaxed_amount_cache",
+            "tax_amount_cache",
+            "total_amount_cache",
+        ],
+    )
 
     return sales
 
 
-@app.route('/<database_name>/sale_don_confiao/payment_methods', methods=[
-    'GET'])
+@app.route("/<database_name>/sale_don_confiao/payment_methods", methods=["GET"])
 @allow_null_origin
 @with_pool
 @with_transaction()
 @don_confiao_application
 def payment_methods(request, pool):
-    if request.method == 'GET':
+    if request.method == "GET":
         payment_methods = [
-            {
-                "text": "Efectivo",
-                "value": "CASH"
-            },
-            {
-                "text": "Confiar",
-                "value": "CONFIAR"
-            },
-            {
-                "text": "Bancolombia",
-                "value": "BANCOLOMBIA"
-            }
+            {"text": "Efectivo", "value": "CASH"},
+            {"text": "Confiar", "value": "CONFIAR"},
+            {"text": "Bancolombia", "value": "BANCOLOMBIA"},
         ]
 
-        response_data = {
-            "payment_methods": payment_methods
-        }
+        response_data = {"payment_methods": payment_methods}
 
         return response_data, 200