Keeps a valid token access to be used by TDAPI(endpoint requests).

In order to get client_id, redirect_uri you have to register API client at https://developer.tdameritrade.com

There is an explaining video on how to register your API at Ameritrade: https://www.youtube.com/watch?v=qJ94sSyPGBw 

It handles different authentication methods.

Full Automated where account info will be stored for future authentication 
or Full Manual where you have to authenticate each 30 min.

New feature: Handles config file as an object.

Handle all API requests. GET, POST,PUT, PATCH.

In order to send a valid request it keep authenticating throuh TDAtuthentication Class.

Find below the table with all possible requests.

Has multiple endpoints check for the TDAPI file.

Customed create orders.

Pandas DataFrame output for each enpoint.

Handle all subscription for WebSocket streaming. SUBS, UNSUBS, ADD, LOGIN, LOGOUT, QOS.

In order to request the credentials it uses TDAPI Class.

Find below subscription table.

New feature: Keep alive method that subscribes back all subscription when connection comes alive again.
            CSV storadge. 
            Callback function to trigger observers when new data arrives.

Has multiple subscription method to test TDStream.

Add DataFrame interface to convert from JSON output.
Add parameter verification.