diff --git a/internal/api/host_agent_config_binding_router_test.go b/internal/api/host_agent_config_binding_router_test.go
new file mode 100644
index 000000000..fc8ff56a4
--- /dev/null
+++ b/internal/api/host_agent_config_binding_router_test.go
@@ -0,0 +1,46 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/rcourtman/pulse-go-rewrite/internal/config"
+	"github.com/rcourtman/pulse-go-rewrite/internal/models"
+	"github.com/rcourtman/pulse-go-rewrite/internal/monitoring"
+)
+
+func TestHostAgentConfigUsesTokenBindingInRouter(t *testing.T) {
+	rawToken := "host-config-binding-token-123.12345678"
+	record := newTokenRecord(t, rawToken, []string{config.ScopeHostConfigRead}, nil)
+	record.ID = "token-1"
+
+	cfg := newTestConfigWithTokens(t, record)
+
+	state := models.NewState()
+	state.UpsertHost(models.Host{ID: "host-1", TokenID: "token-1"})
+	monitor := &monitoring.Monitor{}
+	setUnexportedField(t, monitor, "state", state)
+
+	router := NewRouter(cfg, monitor, nil, nil, nil, "1.0.0")
+
+	req := httptest.NewRequest(http.MethodGet, "/api/agents/host/host-2/config", nil)
+	req.Header.Set("X-API-Token", rawToken)
+	rec := httptest.NewRecorder()
+	router.Handler().ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("expected 200 for bound host config, got %d", rec.Code)
+	}
+
+	var resp struct {
+		HostID string `json:"hostId"`
+	}
+	if err := json.NewDecoder(rec.Body).Decode(&resp); err != nil {
+		t.Fatalf("decode response: %v", err)
+	}
+	if resp.HostID != "host-1" {
+		t.Fatalf("expected host id %q, got %q", "host-1", resp.HostID)
+	}
+}