curl --request GET \
  --url https://api.routeur.app/v1/markets/{venue}/{id}/related \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.routeur.app/v1/markets/{venue}/{id}/related"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.routeur.app/v1/markets/{venue}/{id}/related', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.routeur.app/v1/markets/{venue}/{id}/related"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "graph_run": 4812,
  "data": [
    {
      "similarity": 0.9123,
      "reason": {
        "kind": "team",
        "label": "kansas city chiefs",
        "text": "Same team: Kansas City Chiefs"
      },
      "event": {
        "venue": "kalshi",
        "id": "KXNFLGAME-26SEP27KCLV",
        "title": "Kansas City at Las Vegas",
        "category": "Sports",
        "venues": [
          "kalshi",
          "polymarket"
        ],
        "twin": {
          "venue": "polymarket",
          "id": "nfl-kc-lv-2026-09-27"
        },
        "markets": 2,
        "mutually_exclusive": true,
        "starts_at": "2026-09-27T20:05:00Z",
        "volume_24h_usd": "184220.50",
        "trades_24h": 1222,
        "outcomes": [
          {
            "label": "Kansas City",
            "venue": "kalshi",
            "market_id": "KXNFLGAME-26SEP27KCLV-KC",
            "title": "Kansas City at Las Vegas winner?",
            "chance": "0.6850",
            "prices": [
              {
                "venue": "kalshi",
                "market_id": "KXNFLGAME-26SEP27KCLV-KC",
                "yes_ask_usd": "0.69",
                "no_ask_usd": "0.32",
                "volume_24h_usd": "74200.00",
                "spread_usd": "0.01",
                "trades_24h": 812,
                "liquidity": "deep"
              },
              {
                "venue": "polymarket",
                "market_id": "nfl-kc-lv-2026-09-27-kc",
                "yes_ask_usd": "0.68",
                "no_ask_usd": "0.33",
                "volume_24h_usd": "46200.00",
                "spread_usd": "0.01",
                "trades_24h": 410,
                "liquidity": "deep"
              }
            ],
            "best_venue": "polymarket",
            "volume_24h_usd": "120400.00",
            "volume_source": "venue",
            "spread_usd": "0.01",
            "trades_24h": 1222,
            "liquidity": "deep"
          }
        ]
      }
    },
    {
      "similarity": 0.8411,
      "reason": {
        "kind": "entity",
        "label": "kansas city chiefs",
        "text": "Also about Kansas City Chiefs"
      },
      "event": {
        "venue": "kalshi",
        "id": "KXSB-27",
        "title": "Super Bowl champion",
        "category": "Sports",
        "venues": [
          "kalshi"
        ],
        "markets": 32,
        "mutually_exclusive": true,
        "closes_at": "2027-02-14T23:30:00Z",
        "volume_24h_usd": "96310.00",
        "trades_24h": 96,
        "outcomes": [
          {
            "label": "Kansas City",
            "venue": "kalshi",
            "market_id": "KXSB-27-KC",
            "title": "Will Kansas City win the Super Bowl?",
            "chance": "0.1450",
            "prices": [
              {
                "venue": "kalshi",
                "market_id": "KXSB-27-KC",
                "yes_ask_usd": "0.15",
                "no_ask_usd": "0.86",
                "volume_24h_usd": "12050.00",
                "spread_usd": "0.01",
                "trades_24h": 96,
                "liquidity": "tradeable"
              }
            ],
            "volume_24h_usd": "12050.00",
            "volume_source": "venue",
            "spread_usd": "0.01",
            "trades_24h": 96,
            "liquidity": "tradeable"
          }
        ]
      }
    }
  ]
}

{
  "error": {
    "code": "invalid_parameter",
    "message": "Invalid or unsupported query parameter: limit."
  }
}

{
  "error": {
    "code": "api_key_required",
    "message": "Send an API key in the X-API-Key header or as a Bearer token."
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}