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1. Generate an API key

curl -s -X POST https://api.polynode.dev/v1/keys \
  -H "Content-Type: application/json" \
  -d '{"name": "my-bot"}'
Response
{
  "api_key": "pn_live_a1b2c3d4e5f6...",
  "name": "my-bot",
  "rate_limit_per_minute": 120,
  "message": "Store this key securely — it cannot be retrieved again."
}
Save the api_key immediately. It cannot be retrieved after creation.

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2. Make your first request

Fetch the top 5 markets by 24h volume: 
curl -s "https://api.polynode.dev/v1/markets?count=5" \
  -H "x-api-key: pn_live_YOUR_KEY" | jq
Response
{
  "count": 5,
  "total": 69482,
  "markets": [
    {
      "token_id": "247024838963513327646981976118812247380",
      "question": "Will Bitcoin reach $100k?",
      "last_price": 0.72,
      "volume_24h": 48293.50,
      "trade_count_24h": 677,
      "last_trade_at": 1772512467000,
      "slug": "bitcoin-100k",
      "outcomes": ["Yes", "No"]
    }
  ]
}

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3. Stream live settlements

Connect via WebSocket to receive real-time settlements: 
const ws = new WebSocket("wss://ws.polynode.dev/ws?key=pn_live_YOUR_KEY");

ws.onopen = () => {
  ws.send(JSON.stringify({
    action: "subscribe",
    type: "settlements",
  }));
};

ws.onmessage = (event) => {
  const msg = JSON.parse(event.data);
  if (msg.type === "settlement") {
    console.log(`${msg.data.taker_side} $${msg.data.taker_size} @ ${msg.data.taker_price}`);
  }
};
You’ll receive a snapshot of recent events, then live updates as new settlements are detected.

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Next steps

Authentication

API key management and auth methods

WebSocket

Real-time streaming with filtered subscriptions

API Reference

Full endpoint reference with playground

Rate Limits

Usage limits and best practices