public function dbconnections_signup($email, $password, $connection)
    {
        $data = [
            'client_id' => $this->client_id,
            'email' => $email,
            'password' => $password,
            'connection' => $connection,
        ];

        return $this->apiClient->post()
        ->dbconnections()
        ->signup()
        ->withHeader(new ContentType('application/json'))
        ->withBody(json_encode($data))
        ->call();
    }