diff --git a/src/c3nav/routing/newapi/positioning.py b/src/c3nav/routing/newapi/positioning.py
index c8176372..9c61b816 100644
--- a/src/c3nav/routing/newapi/positioning.py
+++ b/src/c3nav/routing/newapi/positioning.py
@@ -1,36 +1,51 @@
-from typing import Annotated
+from typing import Annotated, Optional
 
 from ninja import Field as APIField
-from ninja import Router as APIRouter
+from ninja import Router as APIRouter, Schema
+from pydantic import NegativeInt
 
 from c3nav.api.newauth import auth_responses
+from c3nav.api.utils import NonEmptyStr
 from c3nav.mapdata.models import Source
+from c3nav.mapdata.schemas.models import CustomLocationSchema
 from c3nav.mapdata.schemas.responses import BoundsSchema
 from c3nav.routing.rangelocator import RangeLocator
 
+BSSIDSchema = Annotated[str, APIField(pattern=r"^[a-z0-9]{2}(:[a-z0-9]{2}){5}$", title="BSSID")]
+
 positioning_api_router = APIRouter(tags=["positioning"])
 
 
+class LocateRequestItemSchema(Schema):
+    ssid: NonEmptyStr
+    bssid: BSSIDSchema
+    rssi: NegativeInt
+    distance: Optional[float] = None
+
+
+class LocateRequestSchema(Schema):
+    items: list[LocateRequestItemSchema]
+
+
+class PositioningResult(Schema):
+    location: Optional[CustomLocationSchema]
+
+
 @positioning_api_router.post('/locate/', summary="locate based on wifi scans",
-                             response={200: BoundsSchema, **auth_responses})
-def locate():
+                             response={200: PositioningResult, **auth_responses})
+def locate(locate_data: LocateRequestSchema):
     # todo: implement
-    return {
-        "bounds": Source.max_bounds(),
-    }
+    raise NotImplementedError
 
 
 @positioning_api_router.get('/locate-test/', summary="get dummy location for debugging",
-                            response={200: BoundsSchema, **auth_responses})
+                            response={200: PositioningResult, **auth_responses})
 def locate_test():
-    # todo: implement
-    return {
-        "bounds": Source.max_bounds(),
-    }
+    raise NotImplementedError
 
 
 BeaconsXYZ = dict[
-    Annotated[str, APIField(pattern=r"^[a-z0-9]{2}(:[a-z0-9]{2}){5}$", title="BSSID")],
+    BSSIDSchema,
     Annotated[
         tuple[
             Annotated[int, APIField(title="X (in cm)")],