diff --git a/backend/app/plan/router.py b/backend/app/plan/router.py
index ea41162f..4a1b90fa 100644
--- a/backend/app/plan/router.py
+++ b/backend/app/plan/router.py
@@ -12,6 +12,9 @@ from backend.app.dependencies import validate_token
 from backend.app.plan.schemas import PlanTriggerRequest
 from backend.app.config import get_settings
 from sqlalchemy.orm import sessionmaker
+from backend.categorisation.categorisation_trigger_request import (
+    CategorisationTriggerRequest,
+)
 from utils.logger import setup_logger
 from backend.app.db.connection import db_engine
 
@@ -24,7 +27,7 @@ router = APIRouter(
     prefix="/plan",
     tags=["plan"],
     dependencies=[Depends(validate_token)],
-    responses={404: {"description": "Not found"}}
+    responses={404: {"description": "Not found"}},
 )
 
 sqs_client = boto3.client("sqs")
@@ -43,6 +46,13 @@ def db_session():
         session.close()
 
 
+@router.post("/categoisation", status_code=202)
+async def trigger_categorisation(body: CategorisationTriggerRequest):
+    payload = CategorisationTriggerRequest.model_validate(body)
+
+    logger.info("API triggered with body: %s", payload)
+
+
 @router.post("/trigger", status_code=202)
 async def trigger_plan_entrypoint(body: PlanTriggerRequest):
     """
@@ -59,7 +69,10 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
         return {"message": "Invalid request"}, 400
 
     # If file_format is domna_asset_list and type is xlsx, read and chunk it
-    if data.get("file_format") == "domna_asset_list" and data.get("file_type") == "xlsx":
+    if (
+        data.get("file_format") == "domna_asset_list"
+        and data.get("file_type") == "xlsx"
+    ):
         try:
 
             total_rows = data.get("sheet_count", 0)
@@ -88,8 +101,8 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
                             "patches_file_path": body.patches_file_path,
                             "non_invasive_recommendations_file_path": body.non_invasive_recommendations_file_path,
                             "exclusions": body.exclusions,
-                            "multi_plan": body.multi_plan
-                        }
+                            "multi_plan": body.multi_plan,
+                        },
                     )
                 # Insert the scenario ID into the data payload
                 data["scenario_id"] = scenario_id
@@ -99,7 +112,7 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
                 task_source="backend/plan/router.py:trigger_plan_entrypoint",
                 service="plan_engine",
                 inputs=data,
-                task_only=True
+                task_only=True,
             )
 
             subtask_interface = SubTaskInterface()
@@ -109,13 +122,14 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
                 index_end = min((i + 1) * chunk_size, total_rows)
 
                 message_payload = {
-                    **data, "index_start": index_start, "index_end": index_end,
+                    **data,
+                    "index_start": index_start,
+                    "index_end": index_end,
                 }
 
                 # Create a subtask for this chunk
                 subtask_id = subtask_interface.create_subtask(
-                    task_id=task_id,
-                    inputs=message_payload
+                    task_id=task_id, inputs=message_payload
                 )
 
                 # Add task and subtask to message
@@ -125,8 +139,7 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
                 message_body = json.dumps(message_payload)
 
                 response = sqs_client.send_message(
-                    QueueUrl=settings.ENGINE_SQS_URL,
-                    MessageBody=message_body
+                    QueueUrl=settings.ENGINE_SQS_URL, MessageBody=message_body
                 )
                 logger.info(
                     f"Chunk {i} sent to SQS. Rows {index_start}–{index_end}. Message ID: {response.get('MessageId')}"
@@ -153,8 +166,7 @@ async def trigger_plan_entrypoint(body: PlanTriggerRequest):
             data["subtask_id"] = str(subtask_id)
             message_body = json.dumps(data)
             response = sqs_client.send_message(
-                QueueUrl=settings.ENGINE_SQS_URL,
-                MessageBody=message_body
+                QueueUrl=settings.ENGINE_SQS_URL, MessageBody=message_body
             )
             logger.info(f"SQS message sent. Message ID: {response.get('MessageId')}")
         except Exception as e:
diff --git a/backend/categorisation/categorisation_trigger_request.py b/backend/categorisation/categorisation_trigger_request.py
index 44ac0ff1..4b1b6553 100644
--- a/backend/categorisation/categorisation_trigger_request.py
+++ b/backend/categorisation/categorisation_trigger_request.py
@@ -8,5 +8,8 @@ class CategorisationTriggerRequest(BaseModel):
     scenarios_to_consider: Optional[List[int]] = None
     scenario_priority_order: Optional[List[int]] = None
 
+    property_bucket_index: Optional[int] = None
+    num_property_buckets: Optional[int] = None
+
 
 # {"portfolio_id": 556, "scenarios_to_consider": [1039,1041], "scenario_priority_order": [1041,1039]}