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XentFi Pro is XentFi’s programmatic liquidity and trading platform — an order book with off-chain matching for exchange-grade speed and on-chain settlement for real, self-custodied funds. It sits on top of your existing XentFi wallets; no separate custody model, no new private keys to manage.

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Base URL

XentFi Pro is served from its own base URL, distinct from the core XentFi API:
This is different from the core platform’s https://api.xentfi.com. Wallets, assets, and blockchains are shared across both — an order’s walletId is the same XentFi wallet ID you’d see in the core Wallet Management API — but order book requests must go to the api.pro.xentfi.com host.

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Prerequisites

You need a Pro account and an API key with the Trade scope

XentFi Pro is not self-serve today. Contact support@xentfi.com to request access, or complete the Pro access request form — support responds within 2 hours. See Authentication for how the Trade scope and API key work once you’re set up.

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How it works

  1. Place an order — POST /v1/orderbook/orders runs risk checks and an atomic balance reservation, then admits the order to the book. This never touches the blockchain, so there’s no signature or quote latency on the request path.
  2. Matching — every batchAuctionIntervalMs (default 250ms), the market’s batch window drains and resting orders are matched price-time priority.
  3. Settlement — matched trades are netted per wallet/asset every 2 seconds and settled on-chain through the market’s settlement master wallet — see Liquidity & Settlement.

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What you can build

📈 Market making

Post and manage resting LIMIT/POST_ONLY orders programmatically, with realtime fill updates over websocket.

⚡ Algorithmic execution

MARKET, IOC, and FOK orders for latency-sensitive execution, protected against thin/stale books by a reference price oracle.

📊 Market data

Order book depth, recent trades, 24h ticker, and OHLCV candles for every market.

🔍 Settlement visibility

Per-wallet settlement leg status (txHash, confirmations, failures) for every batch your trades settle in.

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Explore the tab

Quickstart

List markets, check the book, and place your first order.

Authentication

Get an API key with the Trade scope.

Order Book concepts

Markets, order types, fees, and the order lifecycle.

Liquidity & Settlement concepts

How trades settle on-chain and how to keep a market funded.
Full endpoint-by-endpoint request/response schemas are below in this tab’s API Reference section.