'whsec_test_dummy_secret']); $payload = [ 'type' => 'customer.subscription.created', 'data' => [ 'object' => [ 'id' => 'sub_test123', 'customer' => 'cus_test123', 'status' => 'active', 'items' => ['data' => [['price' => ['id' => 'price_pro']]]], 'current_period_start' => now()->timestamp, 'current_period_end' => now()->addMonth()->timestamp, ], ], ]; $response = $this->postJson('/stripe/webhook', $payload, [ 'Stripe-Signature' => 'invalid_signature', ]); // 403 because signature verification is active and the signature is invalid. // This confirms the endpoint exists, CSRF is excluded, and Cashier is wired up. $response->assertStatus(403); });