{
  "x402Version": 2,
  "id": 5092,
  "slug": "5092",
  "resource": "https://api.seneschal.space/v1/q/top-builder",
  "description": "Single-fact: which builder has the largest slot share in the named window (24h|7d|30d)? Returns {builder, share_pct, slots_won}.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x46Ba634261566CF242c853d1f49511f9268ba674",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "window": "24h"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "as_of_ms": 1765532000000,
            "builder": "titan",
            "share_pct": 28.6,
            "slots_won": 412,
            "total_slots": 1440,
            "window": "24h"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "window": {
                    "description": "Lookback window: 24h, 7d or 30d (default 24h).",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "as_of_ms": {
                    "type": "integer"
                  },
                  "builder": {
                    "type": "string"
                  },
                  "share_pct": {
                    "type": "number"
                  },
                  "slots_won": {
                    "type": "integer"
                  },
                  "total_slots": {
                    "type": "integer"
                  },
                  "window": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.seneschal.space",
  "lastUpdated": "2026-09-08T07:54:55.011Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-09-08T07:54:54.394Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.seneschal.space",
    "manifest_name": "api.seneschal.space",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}