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Monitor trade fills that are routed through specific builder addresses to analyze builder performance and fee structures.

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Use Case

Track builder activity to:
  • Monitor builder routing and fee capture
  • Analyze builder market share
  • Track builder performance metrics
  • Build builder comparison dashboards

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Sample Response

{
  "header": {
    "number": 900000001,
    "timestamp": 1771562718255
  },
  "fills": [
    {
      "user": "0x588bc56a39fcc6363d6cd3bac1e2da2f857e8698",
      "coin": "SUI",
      "px": 0.93401,
      "sz": 3.4,
      "fee": 0.001688,
      "builderFee": 0.000317,
      "tid": 752320185569099,
      "builder": "0x6530512a6c89c7cfcebc3ba7fcd9ada5f30827a6"
    }
  ]
}

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Field Descriptions

  • builder - Builder wallet address (0x-prefixed hex, lowercase)
  • builderFee - Additional fee paid to the order builder
  • fee - Total trading fee charged
  • tid - Trade ID (unique identifier for the matched trade)
  • coin - Asset symbol being traded
  • px - Fill price
  • sz - Fill size

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Note

Not all fills have builder information - only fills routed through builders will have the builder and builderFee fields populated.