Changelog

All notable changes to the DLTM Derivatives API.

This changelog follows Keep a Changelog conventions.

2026-04-09 — v1.2.0

Removed stop_price field from all order schemas — replaced by trigger_price, stop_loss_price, take_profit_price, and trigger_price_type
Removed stop_price from amend order request
stop_loss and take_profit order types now use trigger_price instead of the removed stop_price

New order types: stop_loss_limit, take_profit_limit, take_profit_stop_loss
trigger_price field — trigger price for stop_loss, stop_loss_limit, take_profit, take_profit_limit orders
stop_loss_price field — stop-loss price for take_profit_stop_loss combo orders
take_profit_price field — take-profit price for take_profit_stop_loss combo orders
trigger_price_type field — trade_price (for stop/TP types) or mark_price (for combo type)
Mechanical types stop_market and stop_limit in order responses and WebSocket updates
Advanced orders now included in list open orders response
Server-side validation of required fields and allowed trigger price types per order type

WebSocket orders and trades topics no longer require a symbol suffix — aligned implementation with documented per-account behavior

All enum values are now snake_case (e.g. MarginCall → margin_call, StopLoss → stop_loss, Buy → buy)
Renamed /customers/{code}/leverage to /customers/{code}/margin-profile
Removed /customers/{code}/risk-limits endpoint
Removed realised_pnl from account summary response
Removed expiry field and Future/Option from instrument types
Removed type query parameter from /instruments
Transaction types changed: removed funding_payment, realised_pnl, adjustment; added settlement, funding, auto_deleveraging

Historical trades now default to sort=asc and validate required from/to parameters
Currency fields now correctly show USDC instead of USD
WebSocket trades topic is now per-account (no symbol suffix required)