diff --git a/cmd/api/cross_binary_integration_test.go b/cmd/api/cross_binary_integration_test.go
new file mode 100644
index 0000000..463566e
--- /dev/null
+++ b/cmd/api/cross_binary_integration_test.go
@@ -0,0 +1,141 @@
+//go:build integration
+
+/*
+ * Copyright (C) 2026 InWheel Contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/InWheelOrg/inwheel-api/internal/identity"
+	"github.com/InWheelOrg/inwheel-api/internal/place"
+	"github.com/InWheelOrg/inwheel-api/internal/sources/osm"
+	"github.com/InWheelOrg/inwheel-api/internal/unmatched"
+	"github.com/InWheelOrg/inwheel-api/pkg/models"
+)
+
+const crossBinaryPBFPath = "../../testdata/andorra-sample.osm.pbf"
+
+func runOSMIngestForCrossBinary(t *testing.T, pbfPath string) {
+	t.Helper()
+	ctx := t.Context()
+
+	src := &osm.Source{PBFPath: pbfPath}
+	placesRepo := place.NewRepository(testDB)
+	unmatchedRepo := unmatched.NewRepository(testDB)
+
+	const batchSize = 1000
+	var buf []models.Place
+	flush := func() {
+		if len(buf) == 0 {
+			return
+		}
+		if err := placesRepo.UpsertBatch(ctx, buf); err != nil {
+			t.Fatalf("upsert batch: %v", err)
+		}
+		buf = buf[:0]
+	}
+	sink := func(_ context.Context, p models.Place) error {
+		buf = append(buf, p)
+		if len(buf) >= batchSize {
+			flush()
+		}
+		return nil
+	}
+
+	if err := src.FullImport(ctx, sink); err != nil {
+		t.Fatalf("OSM full import: %v", err)
+	}
+	flush()
+
+	var touched []string
+	if err := testDB.Model(&models.Place{}).Pluck("id", &touched).Error; err != nil {
+		t.Fatalf("collect touched IDs: %v", err)
+	}
+	sweeper := &identity.Sweeper{
+		Candidates: placesRepo,
+		Places:     placesRepo,
+		Queue:      unmatchedRepo,
+		Now:        time.Now,
+	}
+	if _, err := sweeper.Sweep(ctx, touched); err != nil {
+		t.Logf("sweep: %v", err)
+	}
+}
+
+func TestCrossBinary_OSMIngest_PlaceReadableViaAPI(t *testing.T) {
+	t.Cleanup(func() { truncate(t) })
+
+	runOSMIngestForCrossBinary(t, crossBinaryPBFPath)
+
+	ts := httptest.NewServer(handlerForServer(t, newTestServer(t)))
+	t.Cleanup(ts.Close)
+
+	var pinned models.Place
+	if err := testDB.
+		Where("osm_id = ? AND osm_type = ?", int64(521143390), models.OSMNode).
+		First(&pinned).Error; err != nil {
+		t.Fatalf("locate pinned place: %v", err)
+	}
+
+	resp, err := http.Get(ts.URL + "/v1/places/" + pinned.ID)
+	if err != nil {
+		t.Fatalf("GET /v1/places/%s: %v", pinned.ID, err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	var got models.Place
+	if err := json.NewDecoder(resp.Body).Decode(&got); err != nil {
+		t.Fatalf("decode response: %v", err)
+	}
+
+	if got.ID != pinned.ID {
+		t.Errorf("id = %q, want %q", got.ID, pinned.ID)
+	}
+	if got.Name != "Supermercat Saint Moritz" {
+		t.Errorf("name = %q, want %q", got.Name, "Supermercat Saint Moritz")
+	}
+	if got.Category != models.CategoryShop {
+		t.Errorf("category = %q, want %q", got.Category, models.CategoryShop)
+	}
+	if got.Source != "osm" {
+		t.Errorf("source = %q, want %q", got.Source, "osm")
+	}
+	if got.Status != models.PlaceStatusActive {
+		t.Errorf("status = %q, want %q", got.Status, models.PlaceStatusActive)
+	}
+
+	osmRef, ok := got.ExternalIDs["osm"]
+	if !ok {
+		t.Fatalf("response missing external_ids.osm: %#v", got.ExternalIDs)
+	}
+	if osmRef.ID != "node/521143390" {
+		t.Errorf("external_ids.osm.id = %q, want %q", osmRef.ID, "node/521143390")
+	}
+	if osmRef.Confidence != 1.0 {
+		t.Errorf("external_ids.osm.confidence = %v, want 1.0", osmRef.Confidence)
+	}
+
+	if got.Lat == 0 && got.Lng == 0 {
+		t.Errorf("lat/lng both zero — geometry may not have scanned correctly")
+	}
+
+	if got.Tags["addr:street"] != "Carretera d'Arinsal" {
+		t.Errorf("tags[addr:street] = %q, want %q", got.Tags["addr:street"], "Carretera d'Arinsal")
+	}
+	if got.Tags["addr:housenumber"] != "16" {
+		t.Errorf("tags[addr:housenumber] = %q, want %q", got.Tags["addr:housenumber"], "16")
+	}
+}