greyhound trap derived

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "grade": "A1, A2, S2, OR, Free-for-All",
      "distance": "400m, 460m, 520m, 710m"
    }
  },
  "output": {
    "type": "json",
    "errors": {
      "400": {
        "example": {
          "error": "invalid request"
        },
        "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
      },
      "402": {
        "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
      },
      "500": {
        "example": {
          "error": "upstream_failed"
        },
        "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
      }
    },
    "example": {
      "shape": "oval",
      "track": "Romford",
      "country": "UK",
      "surface": "sand",
      "bend_type": "tight",
      "top_traps": [
        1,
        2,
        3
      ],
      "trap_stats": [
        {
          "trap": 1,
          "notes": "Best trap at Romford — inside draw bypasses first bend trouble",
          "win_pct": 21,
          "running_style": "rails runner",
          "rail_advantage": "favoured"
        },
        {
          "trap": 6,
          "notes": "Must go extra wide on bend 1 — significant disadvantage",
          "win_pct": 10,
          "running_style": "wide runner",
          "rail_advantage": "disadvantaged"
        }
      ],
      "pace_profile": "fast early — trap 1 dogs set the pace on rail",
      "track_verdict": "Strong draw bias. Trap 1 wins 21% vs 12.5% statistically expected. Always weight draw heavily.",
      "betting_angles": [
        "Back rails runners from trap 1 in A2-A3 grades when SP > 2/1 — track bias underpriced by market"
      ],
      "governing_body": "GBGB",
      "traps_to_avoid": [
        6,
        7,
        8
      ]
    }
  }
}