You are referring to market data fees. I was talking about Non-Display Use fees. Please reread my post and its attachments in their entirety.

I sent Ally another email yesterday:
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Good evening, Richard,

Back in 2017, you sent me this email in response to the attached questionnaire, upon which, I immediately revoked my own API credentials.

I just wanted to follow up to see if the Non-Display Use fees are still applicable to the Questionnaire's scenario. (Non-professional.)

Thanks,
Andrew

Their response:
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Thank you for the email! Yes, these rules are still in place. An API user cannot use the real time market data to initiate any calculations. Nor do we allow automated trading algos to use our API environment, the order is required to be placed manually.
Attached are the emails.

I strongly recommend against algorithmic trading with a broker that explicitly states that they do not allow automated trading algos.

Attached Files
ally - q & a.zip (61 downloads)