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tda-api
A TD Ameritrade API client for Python. Includes historical data for equities and ETFs, options chains, streaming order book data, complex order construction, and more.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
https://github.com/timkpaine/tdameritrade/issues/62#issue-596926302
Also, if your using the to-api python wrapper there is excellent support on their Discord server. They can probably also help you out with general questions on the TD api.
NOTE:
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