Block Event

New Polygon block with Polymarket-specific statistics.

Emitted for every new Polygon block. Includes Polymarket-specific aggregates — settlement count, trade volume, and how many of the block’s transactions involved Polymarket.

{
  "type": "block",
  "timestamp": 1772500002000,
  "data": {
    "event_type": "block",
    "block_number": 54321000,
    "block_hash": "0xblockhash...",
    "timestamp": 1772500002000,
    "parent_hash": "0xparenthash...",
    "tx_count": 150,
    "polymarket_tx_count": 12,
    "settlement_count": 8,
    "trade_volume_usd": 34500.0
  }
}

Fields

type · string · required

Always "block".

timestamp · number · required

Block timestamp in Unix milliseconds.

data · object · required

Show data fields

block_number · number · required

Block height.

block_hash · string · required

Block hash (0x-prefixed).

timestamp · number · required

Block timestamp in Unix milliseconds.

parent_hash · string · required

Parent block hash.

tx_count · number · required

Total transactions in the block.

polymarket_tx_count · number · required

Transactions involving Polymarket contracts.

settlement_count · number · required

Number of Polymarket settlements in this block.

trade_volume_usd · number · required

Total Polymarket trade volume in this block (USD).

Use cases

• Network monitoring — track block production rate and Polymarket’s share of network activity
• Volume dashboards — aggregate trade_volume_usd over time for real-time volume charts
• Block explorer — correlate settlements with their containing blocks