feat: batch 1 API updates — new endpoints, WS channel, _fp fields#26
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feat: batch 1 API updates — new endpoints, WS channel, _fp fields#26
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…l, and _fp fields
Add new Kalshi API endpoints:
- PUT /portfolio/order_groups/{id}/trigger (trigger_order_group)
- PUT /portfolio/order_groups/{id}/limit (update_order_group_limit)
- GET /account/limits (get_api_limits)
Add OrderGroupUpdates WebSocket channel for order group lifecycle events
(created, triggered, reset, deleted, limit_updated).
Add fixed-point _fp string fields to order group models and WebSocket
message types (OrderbookDeltaData, TickerData, TradeData, FillData,
MarketPositionData) for precise decimal representation.
Make contracts_limit optional on CreateOrderGroupRequest, supporting
contracts_limit_fp as an alternative.
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Summary
Implements Kalshi API changelog items from Batch 1 (Jan 22–29, 2026):
trigger_order_group(PUT.../trigger),update_order_group_limit(PUT.../limit),get_api_limits(GET/account/limits)OrderGroupUpdatesfor order group lifecycle events (created, triggered, reset, deleted, limit_updated)_fpfields: Addedcontracts_limit_fpon order group models, anddelta_fp,volume_fp,open_interest_fp,count_fp,post_position_fp,position_fpon WebSocket message typesCreateOrderGroupRequest.contracts_limitis nowOption<i64>(wasi64); usecontracts_limit_fpas alternativeput_no_responseHTTP helper for PUT endpoints with JSON body and no response bodyAll paths and model fields verified against the Kalshi Python SDK (v3.7.0).
Test plan
cargo test— 182 tests passcargo clippy— cleancargo build --examples— all examples compilecargo run --example order_groups— exercises trigger/limit endpoints live (requires API credentials)