{
  "x402Version": 2,
  "id": 3939,
  "slug": "3939",
  "resource": "https://data.greeneris.io/v1/predict/kalshi",
  "description": "Open markets on Kalshi, the CFTC-regulated US event exchange, most-traded first: ticker, title, live yes bid/ask (USD, 0-1), mid-quote implied probability, 24h volume, open interest and close time, from the public Trade API v2. Query: ?series=KXBTC (optional series_ticker filter, e.g. KXBTC, KXCPIYOY) &limit=1-25 (default 10). JSON, 5min cache. Cross-reference /v1/predict/polymarket for venue spreads.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
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  "outputSchema": {
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        "input": {
          "method": "GET",
          "queryParams": {
            "limit": 5,
            "series": "KXFED"
          },
          "type": "http"
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        "output": {
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            "count": 1,
            "markets": [
              {
                "close_time": "2027-03-17T17:55:00Z",
                "implied_prob": 0.26,
                "last_price": 0.05,
                "open_interest": 1305,
                "subtitle": "4.00%",
                "ticker": "KXFED-27MAR-T4.00",
                "title": "Will the upper bound of the federal funds rate be above 4.00% following the Fed's Mar 17, 2027 meeting?",
                "volume_24h": 21,
                "yes_ask": 0.49,
                "yes_bid": 0.03
              }
            ],
            "series": "KXFED",
            "source": "Kalshi Trade API v2 (CFTC-regulated event exchange, live public quotes, prices in USD 0-1)"
          },
          "type": "json"
        }
      },
      "schema": {
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                  "HEAD",
                  "DELETE"
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              "queryParams": {
                "properties": {
                  "limit": {
                    "default": 10,
                    "description": "Markets to return",
                    "maximum": 25,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "series": {
                    "description": "Kalshi series_ticker filter, e.g. KXBTC (optional)",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
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            "required": [
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              "method"
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            "type": "object"
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          "output": {
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              "example": {
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                "type": "string"
              }
            },
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            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "data.greeneris.io",
  "lastUpdated": "2026-08-27T15:17:56.503Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-27T15:17:56.282Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "data.greeneris.io",
    "manifest_name": "data.greeneris.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}