Changes to Up to 30 trading sessions of contract-day Flow history, back from end_session_date to the first session without Flow data. ET dates use YYYY-MM-DD.

get/v1/flow/contracts/{contract_symbol}/history

Sep 23, 20265f6ba5c8e653 Revision changes
- info
  for the query request parameter end_session_date, the type was generalized from no type to string, and format from no format to date
Sep 20, 2026bf1aa24fe417 Revision changes
- info
  endpoint added