Barfinex
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Phemex

Phemex

Coming SoonCrypto — Derivatives
connectorType: "phemex"

High-performance crypto derivatives exchange

Connection Architecture

Phemex
WebSocket / REST
Connector
libs/exchange-phemex
Provider
:8081/api
Detector
Advisor
Studio

The connector receives data from the exchange and feeds it to Provider (port 8081). From there — to Detector, Advisor, and Studio.

Technologies

Transport
WebSocketREST
Authentication
API Key + Secret
Data Format
JSON

Best for

  • High-frequency and latency-sensitive algorithmic traders who need a low-latency matching engine.
  • Strategies combining perpetual futures with spot positions for delta-neutral or basis-trading approaches.
  • Traders diversifying execution across Bybit, OKX, and Phemex to reduce single-venue concentration risk.
  • Developers stress-testing order throughput who want an exchange built to institutional engineering standards.

Connect via code

1Environment variables (.env)

PHEMEX_API_KEY=your_key_here
PHEMEX_API_SECRET=your_secret_here

2Connector configuration

// config/config.provider.json
{
  "provider": {
    "connectors": [
      {
        "connectorType": "phemex",
        "enabled": true,
        "key": "${PHEMEX_API_KEY}",
        "secret": "${PHEMEX_API_SECRET}",
        "markets": [
          { "marketType": "spot", "symbols": [{ "name": "BTCUSDT" }] }
        ],
        "subscriptions": [
          { "type": "PROVIDER_MARKETDATA_CANDLE", "symbols": ["BTCUSDT"], "intervals": ["min1", "h1"], "active": true },
          { "type": "PROVIDER_MARKETDATA_TRADE", "symbols": ["BTCUSDT"], "active": true },
          { "type": "PROVIDER_MARKETDATA_ORDERBOOK", "symbols": ["BTCUSDT"], "active": true }
        ]
      }
    ]
  }
}

3Verify and query data

# Verify connection
curl -H "Authorization: Bearer $PROVIDER_API_TOKEN" \
  https://localhost:8081/api/exchanges/runtime-proof

# Candles (last 7 days)
curl -H "Authorization: Bearer $PROVIDER_API_TOKEN" \
  "https://localhost:8081/api/candles/phemex/spot/BTCUSDT/h1?days=7"

Available via Barfinex API

/api/candles/phemex/...
/api/trades/phemex/...
/api/orderbook/phemex/...
/api/account/phemex/...
/api/symbols/phemex/...
/api/assets/phemex/...

Studio graphical setup — in development, coming in the next release.

Important

Phemex uses separate API key permissions for trading, read-only data, and withdrawals — create a trading-only key to limit exposure.
Perpetual contract symbols on Phemex use an uppercase format (e.g., BTCUSD for inverse, BTCUSDT for linear) — confirm the symbol convention before configuring subscriptions.
The testnet environment is available at testnet.phemex.com with separate credentials; use it to validate your strategy configuration before going live.
Rate limits differ between REST and WebSocket endpoints; real-time data streaming via WebSocket is preferred for order-book subscriptions.
Supported Markets
SpotFutures
Connect in Studio(soon)
Exchange Website

Let’s Get in Touch

Have questions or want to explore Barfinex? Send us a message.