Exchange

A perpetual futures exchange: what it trades, how it prices, and how it manages risk.

The Nexus Exchange is a perpetual futures venue: a central-limit order book with a native matching engine, risk system and oracle, quoted and margined in dollars. On testnet, balances are synthetic USDX from the faucet, which has no real-world value.

The API base URL has changed. The Exchange API moved from https://exchange.nexus.xyz/api/exchange to https://api.testnet.nexus.xyz/v1. Point your client at the new base. On 2026-09-28, GET /markets/summary returned HTTP 500 on the old base and HTTP 200 on the new one. Request signing is unchanged: you sign the path without the base prefix, so /v1/markets signs /markets, as /api/exchange/markets did. See APIs & rates.

Start with Introduction for what is live today, or go straight to the mechanics.

Trade	Quickstart · Order types · Market Specifications
Mechanics	Margining · Funding rates · Liquidations · Price oracles
What is listed	Asset directory
Integrate	APIs & rates · Market maker guide

The API Reference section documents every endpoint, schema and authentication scheme.