I guess you're trying to send your custom params within your api request.
If so then, it is not possible. There is no way to send our query param within the twilio request url instead you can set webhook url (http://www.example.com/receive.php) in you twilio console and receive incoming messages. If the user reply from his mobile then you can access the user message from your webhook url (as post request) and check what action should takes place based on his reply.
For more: twilio.com/blog/2012/04/get-started-with-twilio-s…
Hope this may helpful to you. Thanks.