diff --git a/app.py b/app.py
index bc23b18..eeb6e7e 100644
--- a/app.py
+++ b/app.py
@@ -13,7 +13,6 @@ from bp import (
     register_cart_overview,
     register_page_cart,
     register_cart_global,
-    register_cart_api,
     register_orders,
 )
 from bp.cart.services import (
@@ -145,9 +144,6 @@ def create_app() -> "Quart":
     # --- Blueprint registration ---
     # Static prefixes first, dynamic (page_slug) last
 
-    # Internal API (server-to-server, CSRF-exempt)
-    app.register_blueprint(register_cart_api())
-
     # Orders blueprint
     app.register_blueprint(register_orders(url_prefix="/orders"))
 
diff --git a/bp/__init__.py b/bp/__init__.py
index 54b3022..dead062 100644
--- a/bp/__init__.py
+++ b/bp/__init__.py
@@ -1,6 +1,5 @@
 from .cart.overview_routes import register as register_cart_overview
 from .cart.page_routes import register as register_page_cart
 from .cart.global_routes import register as register_cart_global
-from .cart.api import register as register_cart_api
 from .order.routes import register as register_order
 from .orders.routes import register as register_orders
diff --git a/bp/cart/api.py b/bp/cart/api.py
deleted file mode 100644
index 22110f8..0000000
--- a/bp/cart/api.py
+++ /dev/null
@@ -1,111 +0,0 @@
-"""
-Internal JSON API for the cart app.
-
-These endpoints are called by other apps (coop, market) over HTTP.
-They are CSRF-exempt because they are server-to-server calls.
-"""
-from __future__ import annotations
-
-from quart import Blueprint, g, request, jsonify
-from sqlalchemy import select
-from sqlalchemy.orm import selectinload
-
-from shared.models.market import CartItem
-from shared.models.market_place import MarketPlace
-from shared.browser.app.csrf import csrf_exempt
-from shared.infrastructure.cart_identity import current_cart_identity
-from shared.services.registry import services
-
-
-def register() -> Blueprint:
-    bp = Blueprint("cart_api", __name__, url_prefix="/internal/cart")
-
-    @bp.get("/summary")
-    @csrf_exempt
-    async def summary():
-        """
-        Return a lightweight cart summary (count + total) for the
-        current session/user.  Called by coop and market apps to
-        populate the cart-mini widget without importing cart services.
-
-        Optional query param: ?page_slug=<slug>
-        When provided, returns only items scoped to that page.
-        """
-        ident = current_cart_identity()
-
-        # Resolve optional page filter
-        page_slug = request.args.get("page_slug")
-        page_post_id = None
-        if page_slug:
-            post = await services.blog.get_post_by_slug(g.s, page_slug)
-            if post and post.is_page:
-                page_post_id = post.id
-
-        # --- product cart ---
-        cart_q = select(CartItem).where(CartItem.deleted_at.is_(None))
-        if ident["user_id"] is not None:
-            cart_q = cart_q.where(CartItem.user_id == ident["user_id"])
-        else:
-            cart_q = cart_q.where(CartItem.session_id == ident["session_id"])
-
-        if page_post_id is not None:
-            mp_ids = select(MarketPlace.id).where(
-                MarketPlace.container_type == "page",
-                MarketPlace.container_id == page_post_id,
-                MarketPlace.deleted_at.is_(None),
-            ).scalar_subquery()
-            cart_q = cart_q.where(CartItem.market_place_id.in_(mp_ids))
-
-        cart_q = cart_q.options(selectinload(CartItem.product)).order_by(CartItem.created_at.desc())
-
-        result = await g.s.execute(cart_q)
-        cart_items = result.scalars().all()
-
-        cart_count = sum(ci.quantity for ci in cart_items)
-        cart_total = sum(
-            (ci.product.special_price or ci.product.regular_price or 0) * ci.quantity
-            for ci in cart_items
-            if ci.product and (ci.product.special_price or ci.product.regular_price)
-        )
-
-        # --- calendar entries via service ---
-        if page_post_id is not None:
-            cal_entries = await services.calendar.entries_for_page(
-                g.s, page_post_id,
-                user_id=ident["user_id"],
-                session_id=ident["session_id"],
-            )
-        else:
-            cal_entries = await services.calendar.pending_entries(
-                g.s,
-                user_id=ident["user_id"],
-                session_id=ident["session_id"],
-            )
-
-        calendar_count = len(cal_entries)
-        calendar_total = sum((e.cost or 0) for e in cal_entries if e.cost is not None)
-
-        items = [
-            {
-                "slug": ci.product.slug if ci.product else None,
-                "title": ci.product.title if ci.product else None,
-                "image": ci.product.image if ci.product else None,
-                "quantity": ci.quantity,
-                "price": float(ci.product.special_price or ci.product.regular_price or 0)
-                if ci.product
-                else 0,
-            }
-            for ci in cart_items
-        ]
-
-        return jsonify(
-            {
-                "count": cart_count,
-                "total": float(cart_total),
-                "calendar_count": calendar_count,
-                "calendar_total": float(calendar_total),
-                "items": items,
-            }
-        )
-
-    return bp
diff --git a/shared b/shared
index 7ee8638..e83df2f 160000
--- a/shared
+++ b/shared
@@ -1 +1 @@
-Subproject commit 7ee8638d6e41de1f58aadd1f108cd7de8e920d07
+Subproject commit e83df2f742c8b64e7b4a6bc218fd1bd0a9637d21