diff --git a/pyproject.toml b/pyproject.toml
index bc721a3..f8ae259 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,7 @@ dependencies = [
   "websockets>=12.0",
   "pyxdg>=0.28",
   "typer-slim>=0.15.1",
+  "httpx>=0.28.1",
 ]
 requires-python = ">=3.12"
 readme = "README.md"
@@ -62,5 +63,4 @@ dev-dependencies = [
   "types-python-jose>=3.3.4.20240106",
   "types-passlib>=1.7.7.20240311",
   "pytest>=8.3.4",
-  "httpx>=0.28.1",
 ]
diff --git a/src/gisaf/api/map.py b/src/gisaf/api/map.py
index a2dd8df..0c89e46 100644
--- a/src/gisaf/api/map.py
+++ b/src/gisaf/api/map.py
@@ -1,15 +1,21 @@
 from collections import OrderedDict, defaultdict
 import logging
-from json import dumps
+from json import dumps, loads
 
-from fastapi import (APIRouter, Request, HTTPException,
-                     Response, status)
+from httpx import AsyncClient
+from fastapi import APIRouter, Request, HTTPException, Response, status
 from sqlalchemy.orm import selectinload
 from sqlalchemy.exc import NoResultFound
 from sqlmodel import select
 
-from gisaf.models.map_bases import (BaseMap, BaseMapLayer, BaseMapWithStores,
-                                    BaseStyle, MapInitData, MaplibreStyle)
+from gisaf.models.map_bases import (
+    BaseMap,
+    BaseMapLayer,
+    BaseMapWithStores,
+    BaseStyle,
+    MapInitData,
+    MaplibreStyle,
+)
 from gisaf.models.misc import Qml
 from gisaf.registry import registry
 from gisaf.database import db_session, fastapi_db_session
@@ -24,25 +30,31 @@ api = APIRouter(
     # responses={404: {"description": "Not found"}},
 )
 
+
 async def get_base_styles():
     async with db_session() as session:
-        query = select(BaseStyle.name)\
-            .where(BaseStyle.enabled==True)\
-            .order_by(BaseStyle.id)  # type: ignore # noqa: E712
+        query = (
+            select(BaseStyle.name)
+            .where(BaseStyle.enabled == True)
+            .order_by(BaseStyle.id)
+        )  # type: ignore # noqa: E712
         data = await session.exec(query)
         base_styles = data.all()
     ## TODO: tiles_registry
-    logger.warning('TODO: tiles_registry')
+    logger.warning("TODO: tiles_registry")
     # base_styles.extend(tiles_registry.mbtiles.values())
-    return [BaseStyle(name=bs) for bs in base_styles] # type: ignore
+    return [BaseStyle(name=bs) for bs in base_styles]  # type: ignore
+
 
 async def get_base_maps() -> list[BaseMapWithStores]:
     async with db_session() as session:
-        query1 = select(BaseMap) #.options(selectinload(BaseMap.layers)) # type: ignore
+        query1 = select(
+            BaseMap
+        )  # .options(selectinload(BaseMap.layers)) # type: ignore
         data1 = await session.exec(query1)
         base_maps = data1.all()
         base_map_dict = {bm.id: bm.name for bm in base_maps}
-        query2 = select(BaseMapLayer).options(selectinload(BaseMapLayer.base_map)) # type: ignore
+        query2 = select(BaseMapLayer).options(selectinload(BaseMapLayer.base_map))  # type: ignore
         data2 = await session.exec(query2)
         base_map_layers = data2.all()
         bms: dict[str, list] = defaultdict(list)
@@ -54,23 +66,28 @@ async def get_base_maps() -> list[BaseMapWithStores]:
             for bm, bmls in OrderedDict(sorted(bms.items())).items()
         ]
 
-@api.get('/init-data')
+
+@api.get("/init-data")
 async def get_init_data() -> MapInitData:
     await registry.update_stores_counts()
-    df = registry.stores.reset_index().\
-        drop(columns=['model', 'raw_model', 'base_gis_type'])
+    df = registry.stores.reset_index().drop(
+        columns=["model", "raw_model", "base_gis_type"]
+    )
     return MapInitData(
         baseStyles=await get_base_styles(),
         baseMaps=await get_base_maps(),
         groups=registry.primary_groups,
-        stores=df.to_dict(orient='records') # type: ignore
+        stores=df.to_dict(orient="records"),  # type: ignore
     )
 
-@api.get('/base_style/{name}')
-async def get_base_style(request: Request, name: str,
-                         db_session: fastapi_db_session,
-                         ) -> BaseStyle:
-    data = await db_session.exec(select(BaseStyle).where(BaseStyle.name==name))
+
+@api.get("/base_style/{name}")
+async def get_base_style(
+    request: Request,
+    name: str,
+    db_session: fastapi_db_session,
+) -> BaseStyle:
+    data = await db_session.exec(select(BaseStyle).where(BaseStyle.name == name))
     try:
         base_style = data.one()
     except NoResultFound:
@@ -79,19 +96,26 @@ async def get_base_style(request: Request, name: str,
         #     name=name,
         #     style=dumps({})
         # )
+    if base_style.static_url is not None:
+        ## Externally managed style, no need to get anything from tiles registry
+        async with AsyncClient() as client:
+            resp = await client.get(base_style.static_url)
+            base_style.style = loads(resp.content)
     if name in tiles_registry.mbtiles:
         ## Try to get base_style from tiles_registry
-        tiles = tiles_registry.mbtiles['name']
-        style = dumps(await tiles.get_style(style_record=base_style,
-                                            request=request))
+        tiles = tiles_registry.mbtiles["name"]
+        style = dumps(await tiles.get_style(style_record=base_style, request=request))
     else:
-        style = base_style.style # type: ignore
-    return BaseStyle(name=name, style=style) # type: ignore
+        style = base_style.style  # type: ignore
+    return BaseStyle(name=name, style=style)  # type: ignore
 
-@api.get('/layer_style/{store}')
-async def get_layer_style(request: Request, store: str,
-                          response: Response,
-                          ) -> MaplibreStyle | None:
+
+@api.get("/layer_style/{store}")
+async def get_layer_style(
+    request: Request,
+    store: str,
+    response: Response,
+) -> MaplibreStyle | None:
     try:
         store_record = registry.stores.loc[store]
     except KeyError:
@@ -101,18 +125,18 @@ async def get_layer_style(request: Request, store: str,
         ## Get layer_defs from live redis and give symbol
         return await redis_store.get_maplibre_style(store)
     ## Set the etag based on the last modification of the model's style.
-    #if store in info.schema.app['registry'].geom_auto:
+    # if store in info.schema.app['registry'].geom_auto:
     if store_record.custom:
         ## The style is in Qml
-        ttag_channel = 'gisaf_map.qml'
+        ttag_channel = "gisaf_map.qml"
     else:
         ## The style is in Category
-        ttag_channel = 'gisaf_survey.category'
+        ttag_channel = "gisaf_survey.category"
     ## Check if the request was etagged:
     ttag = await redis_store.get_ttag(ttag_channel)
-    if ttag and request.headers.get('If-None-Match') == ttag:
+    if ttag and request.headers.get("If-None-Match") == ttag:
         raise HTTPException(status_code=status.HTTP_304_NOT_MODIFIED)
         # request.not_modified = True
         # return MaplibreStyle()
-    response.headers['ETag'] = ttag
+    response.headers["ETag"] = ttag
     return await store_record.model.get_maplibre_style()
diff --git a/src/gisaf/models/store.py b/src/gisaf/models/store.py
index 95d9bdf..a96a3de 100644
--- a/src/gisaf/models/store.py
+++ b/src/gisaf/models/store.py
@@ -12,30 +12,31 @@ class Store(StoreNameOnly):
     count: int | None = None
     custom: bool
     description: str
-    #extra: dict[str, Any] | None
+    # extra: dict[str, Any] | None
     gis_type: str
     group: str
-    #icon: str
+    # icon: str
     in_menu: bool
     is_db: bool
     is_line_work: bool
     is_live: bool
     long_name: str | None
-    #mapbox_layout: dict[str, Any] | None
-    #mapbox_paint: dict[str, Any] | None
+    # mapbox_layout: dict[str, Any] | None
+    # mapbox_paint: dict[str, Any] | None
     type: str
     # mapbox_type_custom: str | None
-    #mapbox_type_default: str
+    # mapbox_type_default: str
     minor_group_1: str | None
     minor_group_2: str | None
-    #model: GeoModel
-    #name_letter: str
-    #name_number: int
-    #raw_model: GeoPointSurveyModel
-    #raw_model_store_name: str
+    # model: GeoModel
+    # name_letter: str
+    # name_number: int
+    # raw_model: GeoPointSurveyModel
+    # raw_model_store_name: str
     status: str
     style: str | None
     symbol: str | None
     title: str
-    viewable_role: str | None
-    z_index: int
\ No newline at end of file
+    viewable_role: str | None = None
+    z_index: int = 500
+
diff --git a/uv.lock b/uv.lock
index bffe4d5..436ba4c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -538,7 +538,7 @@ wheels = [
 
 [[package]]
 name = "gisaf-backend"
-version = "0.6.0a0"
+version = "0.0.0"
 source = { editable = "." }
 dependencies = [
     { name = "aiopath" },
@@ -548,6 +548,7 @@ dependencies = [
     { name = "fastapi" },
     { name = "geoalchemy2" },
     { name = "geopandas" },
+    { name = "httpx" },
     { name = "itsdangerous" },
     { name = "matplotlib" },
     { name = "orjson" },
@@ -586,7 +587,6 @@ mqtt = [
 [package.dev-dependencies]
 dev = [
     { name = "asyncpg-stubs" },
-    { name = "httpx" },
     { name = "ipdb" },
     { name = "pandas-stubs" },
     { name = "pretty-errors" },
@@ -610,6 +610,7 @@ requires-dist = [
     { name = "geopandas", specifier = ">=1.0.1" },
     { name = "gisaf-backend", extras = ["contextily"], marker = "extra == 'all'" },
     { name = "gisaf-backend", extras = ["mqtt"], marker = "extra == 'all'" },
+    { name = "httpx", specifier = ">=0.28.1" },
     { name = "itsdangerous", specifier = ">=2.1.2" },
     { name = "matplotlib", specifier = ">=3.8.3" },
     { name = "orjson", specifier = ">=3.9.10" },
@@ -636,7 +637,6 @@ requires-dist = [
 [package.metadata.requires-dev]
 dev = [
     { name = "asyncpg-stubs", specifier = ">=0.29.1" },
-    { name = "httpx", specifier = ">=0.28.1" },
     { name = "ipdb", specifier = ">=0.13.13" },
     { name = "pandas-stubs", specifier = ">=2.1.4.231218" },
     { name = "pretty-errors", specifier = ">=1.2.25" },