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Overview

The subscribe action allows you to receive real-time order updates from Polymarket. You can filter orders by different criteria to receive only the data you need.

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Subscription Message Format

All subscription messages follow this base format: 
{
    "action": "subscribe",
    "platform": "polymarket",
    "version": 1,
    "type": "orders",
    "filters": {
        // Filter options (see below)
    }
}
Required Parameters:
  • action: Must be "subscribe"
  • platform: Must be "polymarket"
  • version: Currently 1
  • type: Must be "orders"
  • filters: Object containing filter criteria (see filter types below)

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Tier Limits

Subscription limits vary by tier:
TierSubscriptionsWallets per Subscription
Free25
Dev500500
EnterpriseCustomCustom

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Filter Types

You can subscribe to orders using one of three filter criteria:

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Filter by Wallet Addresses

Track orders from specific wallet addresses or use a wildcard to receive all trades.Specific Wallet Addresses:
{
    "action": "subscribe",
    "platform": "polymarket",
    "version": 1,
    "type": "orders",
    "filters": {
        "users": [
            "0x6031b6eed1c97e853c6e0f03ad3ce3529351f96d",
            "0x7c3db723f1d4d8cb9c550095203b686cb11e5c6b"
        ]
    }
}
You’ll receive order events when any of the specified wallet addresses execute trades.Wildcard - All Trades:To receive all trades across Polymarket, use a wildcard:
{
    "action": "subscribe",
    "platform": "polymarket",
    "version": 1,
    "type": "orders",
    "filters": {
        "users": ["*"]
    }
}

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Subscription Acknowledgment

After sending a subscription message, you’ll receive an acknowledgment from the server: 
{
    "type": "ack",
    "subscription_id": "sub_gq5c3resmrq"
}
Important: Save the subscription_id - you’ll need it to unsubscribe or update your subscription later.

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Receiving Order Events

When orders matching your subscription filters are executed, you’ll receive event messages in real-time: 
{
    "type": "event",
    "subscription_id": "sub_gq5c3resmrq",
    "data": {
        "token_id": "80311845198420617303393545005967792170450763818026370381995461841892638500659",
        "token_label": "No",
        "side": "BUY",
        "market_slug": "btc-updown-15m-1762479900",
        "condition_id": "0x5853a47d2d7d97571684c458e2ac28f7f232e12d5490a96cc5b302bd8b4c61bd",
        "shares": 9000000,
        "shares_normalized": 9,
        "price": 0.56,
        "tx_hash": "0xaccc1246d7bc1c95ad44789a6e7ecbc7819dd308632aa0190fedf9673c034077",
        "title": "Bitcoin Up or Down - November 6, 8:45PM-9:00PM ET",
        "timestamp": 1762480391,
        "order_hash": "0xc2b8ee7c9dced1374ac8e2307c65e5204283781c98e1640e28d25d6cc14a0e13",
        "user": "0x6031b6eed1c97e853c6e0f03ad3ce3529351f96d",
        "taker": "0x8d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e"
    }
}

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Next Steps