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GET
/
matching-markets
/
sports
Get Matching Markets for Sports
curl --request GET \
  --url https://api.domeapi.io/v1/matching-markets/sports
{
  "markets": {
    "nfl-ari-den-2025-08-16": [
      {
        "platform": "KALSHI",
        "event_ticker": "KXNFLGAME-25AUG16ARIDEN",
        "market_tickers": [
          "KXNFLGAME-25AUG16ARIDEN-ARI",
          "KXNFLGAME-25AUG16ARIDEN-DEN"
        ]
      },
      {
        "platform": "POLYMARKET",
        "market_slug": "nfl-ari-den-2025-08-16",
        "token_ids": [
          "34541522652444763571858406546623861155130750437169507355470933750634189084033",
          "104612081187206848956763018128517335758189185749897027211060738913329108425255"
        ]
      }
    ],
    "nfl-dal-phi-2025-09-04": [
      {
        "platform": "KALSHI",
        "event_ticker": "KXNFLGAME-25SEP04DALPHI",
        "market_tickers": [
          "KXNFLGAME-25SEP04DALPHI-DAL",
          "KXNFLGAME-25SEP04DALPHI-PHI"
        ]
      }
    ]
  }
}

Query Parameters

​
polymarket_market_slug
string[]

The Polymarket market slug(s) to find matching markets for. To get multiple markets at once, provide the query param multiple times with different slugs. Can not be combined with kalshi_event_ticker.

Example:
[
  "nfl-ari-den-2025-08-16",
  "nfl-dal-phi-2025-09-04"
]
​
kalshi_event_ticker
string[]

The Kalshi event ticker(s) to find matching markets for. To get multiple markets at once, provide the query param multiple times with different tickers. Can not be combined with polymarket_market_slug.

Example:
[
  "KXNFLGAME-25AUG16ARIDEN",
  "KXNFLGAME-25SEP04DALPHI"
]

Response

Matching markets response

​
markets
object
Example:
{
  "nfl-ari-den-2025-08-16": [
    {
      "platform": "KALSHI",
      "event_ticker": "KXNFLGAME-25AUG16ARIDEN",
      "market_tickers": [
        "KXNFLGAME-25AUG16ARIDEN-ARI",
        "KXNFLGAME-25AUG16ARIDEN-DEN"
      ]
    },
    {
      "platform": "POLYMARKET",
      "market_slug": "nfl-ari-den-2025-08-16",
      "token_ids": [
        "34541522652444763571858406546623861155130750437169507355470933750634189084033",
        "104612081187206848956763018128517335758189185749897027211060738913329108425255"
      ]
    }
  ],
  "nfl-dal-phi-2025-09-04": [
    {
      "platform": "KALSHI",
      "event_ticker": "KXNFLGAME-25SEP04DALPHI",
      "market_tickers": [
        "KXNFLGAME-25SEP04DALPHI-DAL",
        "KXNFLGAME-25SEP04DALPHI-PHI"
      ]
    }
  ]
}