Reference

​

Trading rules

• Product and Trading Specifications lists markets, tick sizes, leverage limits, fees, and core trading parameters.
• Margin Requirements specifies initial and maintenance margin, liquidation triggers, and position-side risk limits.
• Trading Safeties and Guards covers the checks and protections enforced during order handling.

​

Pricing and settlement

• Price Feeds and Mark Price Inputs explains where the index price comes from and how the mark price is derived.
• Funding Rate Logic gives the funding formula, the dead zone, the clamp, and the payment direction.
• PnL Realization and Settlement covers when unrealized PnL becomes realized collateral and what resets at settlement.

​

Limits, events, and errors

• Rate Limits and Access Tiers covers public IP limits, trader-level request bands, and DDX-linked access tiers.
• Trade Mining Parameters lists the reward budget, maker and taker split, payout formulas, and DDX crediting cadence.
• Order and Account Event Reference defines the emitted event payloads for orders, fills, balances, and trader state.
• Error Reference maps the public error responses so you can recognize rejects, rate-limit responses, and malformed requests.

​

API Reference