diff --git a/pms_api_rest/datamodels/pms_availability_plan_rule.py b/pms_api_rest/datamodels/pms_availability_plan_rule.py
index 449693858..6e600a4c3 100644
--- a/pms_api_rest/datamodels/pms_availability_plan_rule.py
+++ b/pms_api_rest/datamodels/pms_availability_plan_rule.py
@@ -23,3 +23,4 @@ class PmsAvailabilityPlanRuleInfo(Datamodel):
     roomTypeId = fields.Integer(required=False, allow_none=True)
     date = fields.String(required=False, allow_none=True)
     quota = fields.Integer(required=False, allow_none=True)
+    pmsPropertyId = fields.Integer(required=False, allow_none=True)
diff --git a/pms_api_rest/datamodels/pms_pricelist_item.py b/pms_api_rest/datamodels/pms_pricelist_item.py
index 83fb08357..988ad691d 100644
--- a/pms_api_rest/datamodels/pms_pricelist_item.py
+++ b/pms_api_rest/datamodels/pms_pricelist_item.py
@@ -16,3 +16,4 @@ class PmsPricelistItemInfo(Datamodel):
     price = fields.Float(required=False, allow_none=True)
     roomTypeId = fields.Integer(required=False, allow_none=True)
     date = fields.String(required=False, allow_none=True)
+    pmsPropertyId = fields.Integer(required=False, allow_none=True)
diff --git a/pms_api_rest/services/pms_availability_plan_service.py b/pms_api_rest/services/pms_availability_plan_service.py
index 20d867939..6c95184ef 100644
--- a/pms_api_rest/services/pms_availability_plan_service.py
+++ b/pms_api_rest/services/pms_availability_plan_service.py
@@ -149,3 +149,94 @@ class PmsAvailabilityPlanService(Component):
                     result.append(availability_plan_rule_info)
 
         return result
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/<int:availability_plan_id>/availability-plan-rule",
+                ],
+                "POST",
+            )
+        ],
+        input_param=Datamodel("pms.availability.plan.rule.info", is_list=False),
+        auth="jwt_api_pms",
+    )
+    def create_availability_plan_rule(
+        self, availability_plan_id, pms_avail_plan_rule_info
+    ):
+        day = datetime.strptime(
+            pms_avail_plan_rule_info.date[:10], "%Y-%m-%d"
+        ) + timedelta(days=1)
+        vals = {
+            "room_type_id": pms_avail_plan_rule_info.roomTypeId,
+            "date": day,
+            "pms_property_id": pms_avail_plan_rule_info.pmsPropertyId,
+            "availability_plan_id": availability_plan_id,
+        }
+
+        if pms_avail_plan_rule_info.minStay:
+            vals.update({"min_stay": pms_avail_plan_rule_info.minStay})
+        if pms_avail_plan_rule_info.minStayArrival:
+            vals.update({"min_stay_arrival": pms_avail_plan_rule_info.minStayArrival})
+        if pms_avail_plan_rule_info.maxStay:
+            vals.update({"max_stay": pms_avail_plan_rule_info.maxStay})
+        if pms_avail_plan_rule_info.maxStayArrival:
+            vals.update({"max_stay_arrival": pms_avail_plan_rule_info.maxStayArrival})
+        if pms_avail_plan_rule_info.closed:
+            vals.update({"closed": pms_avail_plan_rule_info.closed})
+        if pms_avail_plan_rule_info.closedDeparture:
+            vals.update({"closed_departure": pms_avail_plan_rule_info.closedDeparture})
+        if pms_avail_plan_rule_info.closedArrival:
+            vals.update({"closed_arrival": pms_avail_plan_rule_info.closedArrival})
+        if pms_avail_plan_rule_info.quota:
+            vals.update({"quota": pms_avail_plan_rule_info.quota})
+        avail_plan_rule = self.env["pms.availability.plan.rule"].create(vals)
+        return avail_plan_rule.id
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/<int:availability_plan_id>/availability-plan-rule/",
+                ],
+                "PATCH",
+            )
+        ],
+        input_param=Datamodel("pms.availability.plan.rule.info", is_list=False),
+        auth="jwt_api_pms",
+    )
+    def write_availability_plan_rule(
+        self, availability_plan_id, pms_avail_plan_rule_info
+    ):
+        vals = dict()
+        avail_rule = self.env["pms.availability.plan.rule"].search(
+            [
+                ("id", "=", pms_avail_plan_rule_info.availabilityRuleId),
+                ("availability_plan_id", "=", availability_plan_id),
+            ]
+        )
+        if avail_rule:
+            if pms_avail_plan_rule_info.minStay:
+                vals.update({"min_stay": pms_avail_plan_rule_info.minStay})
+            if pms_avail_plan_rule_info.minStayArrival:
+                vals.update(
+                    {"min_stay_arrival": pms_avail_plan_rule_info.minStayArrival}
+                )
+            if pms_avail_plan_rule_info.maxStay:
+                vals.update({"max_stay": pms_avail_plan_rule_info.maxStay})
+            if pms_avail_plan_rule_info.maxStayArrival:
+                vals.update(
+                    {"max_stay_arrival": pms_avail_plan_rule_info.maxStayArrival}
+                )
+            if pms_avail_plan_rule_info.closed:
+                vals.update({"closed": pms_avail_plan_rule_info.closed})
+            if pms_avail_plan_rule_info.closedDeparture:
+                vals.update(
+                    {"closed_departure": pms_avail_plan_rule_info.closedDeparture}
+                )
+            if pms_avail_plan_rule_info.closedArrival:
+                vals.update({"closed_arrival": pms_avail_plan_rule_info.closedArrival})
+            if pms_avail_plan_rule_info.quota:
+                vals.update({"quota": pms_avail_plan_rule_info.quota})
+        avail_rule.write(vals)
diff --git a/pms_api_rest/services/pms_pricelist_service.py b/pms_api_rest/services/pms_pricelist_service.py
index e924963fb..4c400adf9 100644
--- a/pms_api_rest/services/pms_pricelist_service.py
+++ b/pms_api_rest/services/pms_pricelist_service.py
@@ -136,3 +136,64 @@ class PmsPricelistService(Component):
                     result.append(pricelist_info)
 
         return result
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/<int:pricelist_id>/pricelist-item",
+                ],
+                "POST",
+            )
+        ],
+        input_param=Datamodel("pms.pricelist.item.info", is_list=False),
+        auth="jwt_api_pms",
+    )
+    def create_pricelist_item(self, pricelist_id, pms_pricelist_item_info):
+        day = datetime.strptime(
+            pms_pricelist_item_info.date[:10], "%Y-%m-%d"
+        ) + timedelta(days=1)
+        product_id = (
+            self.env["pms.room.type"]
+            .browse(pms_pricelist_item_info.roomTypeId)
+            .product_id
+        )
+        pricelist_item = self.env["product.pricelist.item"].create(
+            {
+                "applied_on": "0_product_variant",
+                "product_id": product_id.id,
+                "pms_property_ids": [pms_pricelist_item_info.pmsPropertyId],
+                "date_start_consumption": day,
+                "date_end_consumption": day,
+                "compute_price": "fixed",
+                "fixed_price": pms_pricelist_item_info.price,
+                "pricelist_id": pricelist_id,
+            }
+        )
+        return pricelist_item.id
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/<int:pricelist_id>/pricelist-item",
+                ],
+                "PATCH",
+            )
+        ],
+        input_param=Datamodel("pms.pricelist.item.info", is_list=False),
+        auth="jwt_api_pms",
+    )
+    def write_pricelist_item(self, pricelist_id, pms_pricelist_item_info):
+        product_pricelist_item = self.env["product.pricelist.item"].search(
+            [
+                ("id", "=", pms_pricelist_item_info.pricelistItemId),
+                ("pricelist_id", "=", pricelist_id),
+            ]
+        )
+        if product_pricelist_item and pms_pricelist_item_info.price:
+            product_pricelist_item.write(
+                {
+                    "fixed_price": pms_pricelist_item_info.price,
+                }
+            )