protected function bulkPost($data, $fields, $verb = 'geocode')
    {
        $params = [
            'api_key' => $this->apiKey,
            'fields' => implode(',', $fields)
        ];

        $response = $this->client->post($verb, [
            'query' => $params,
            'json' => $data
        ]);

        return $this->checkResponse($response);
    }