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curl "https://api.polynode.dev/v3/perps/instruments?key=$POLYNODE_API_KEY"
Returns the complete exchange configuration for each instrument — symbol, category, leverage and risk tiers, precision, order size limits, funding interval — plus first_seen, the timestamp we first observed the listing. 
{
  "data": [
    {
      "instrument_id": 6,
      "instrument_type": "perpetual",
      "category": "crypto",
      "symbol": "BTC-USD",
      "base_asset": "BTC",
      "quote_asset": "pUSD",
      "funding_interval": "1h",
      "quantity_decimals": 5,
      "price_decimals": 0,
      "min_notional": "10",
      "max_leverage": 20,
      "risk_tiers": [
        { "lower_bound": "0", "max_leverage": 20 },
        { "lower_bound": "250000", "max_leverage": 10 }
      ],
      "first_seen": 1783569304465
    }
  ]
}

​
Query parameters

ParameterDescription
categoryFilter to one category: crypto, index, commodity, equity
New instruments appear automatically as Polymarket lists them — poll this endpoint (or watch perps_tickers on the WebSocket for unfamiliar ids) to pick up new listings.