Module query 

Functions

default_order_window

Per-account orders: default last 30 days (API allows up to 1 year).

default_orders_all_window

All-accounts orders: fromEnteredTime must be within 60 days of today.

default_transaction_window

Transactions: default last 30 days (API allows up to 1 year).

iso8601_ms

ISO-8601 format required by Schwab order/transaction endpoints.

resolve_time_range

Schwab requires both ends of a range when either is supplied.