Get a summary of the maximum order size that can be placed given the current state of the order book and available margin.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Market to estimate max order size for
"AAPL-USD.P"
Factor to scale returned sizes to guard against fluctuations between calling this endpoint and placing the order. Must be a decimal between 0 and 1. Defaults to 0.9.
"0.9"
Maximum order sizes
Whether the request was successful
true
Error message, present only on failure
""
Semantic error code. See each endpoint's error responses for the specific codes it can return.
Deprecation notice, if applicable
""