Tournament fixtures, filterable by team, opponent, and date range

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          "properties": {
            "body": {
              "description": "Filter fixtures by plain-English team names and date range. Returns fixtures with their canonical `event_urn`, the discovery primitive for every fixture-scoped endpoint.",
              "properties": {
                "date_from": {
                  "description": "Start of the date window (YYYY-MM-DD).",
                  "format": "date",
                  "type": "string"
                },
                "date_to": {
                  "description": "End of the date window (YYYY-MM-DD).",
                  "format": "date",
                  "type": "string"
                },
                "opponent": {
                  "description": "Optional opponent name to narrow to a single fixture.",
                  "type": "string"
                },
                "team": {
                  "description": "Team name, e.g. \"Brazil\".",
                  "type": "string"
                }
              },
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      "required": [
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}

curl "https://agents.machina.gg/world-cup/v1/get-schedule"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://agents.machina.gg/world-cup/v1/get-schedule");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://agents.machina.gg/world-cup/v1/get-schedule")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header