def fetch(params, endpoint_path = 'previews')
      options = prepare_request(params)
      response = default_connection(BASE_URL, params.debug)
                   .post do |req|
                    req.url("/v2/#{endpoint_path}/")
                     req.body = JSON.generate(options)
                   end

      parse(response.body)
    end
def fetch(params, endpoint_path = 'previews')
      options = prepare_request(params)
      response = default_connection(BASE_URL, params.debug)
                   .post do |req|
                    req.url("/v2/#{endpoint_path}/")
                     req.body = JSON.generate(options)
                   end

      parse(response.body)
    end
Returns parsed response from API
 @return [Filepreviews::Response] json response as callable methods