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BtApi

BtApi is the public façade for direct provider and backtest operations. It uses DirectBackend by default and returns the native result shape from the selected Feed.

from bt_api_py import BtApi

api = BtApi(
    exchange_kwargs={"SIM___SPOT": {"market_data_only": True}},
    debug=False,
)
try:
    tick = api.get_tick("SIM___SPOT", "BTC-USDT")
finally:
    api.close()

The old transport_mode="zmq", forwarding_config, and gateway_wire_config entry points are retired. They raise LegacyForwardingRetiredError before provider initialization. Managed live writes use Backtrader's explicit ServiceExecutionSession with a service-v2 ServiceHost and its service.order_entry path.

::: bt_api_py.bt_api.BtApi options: show_root_heading: true show_source: false members_order: source heading_level: 2 show_if_no_docstring: false filters: - "!^_" - "!^__"