Sport by Date

Find equivalent markets across different prediction market platforms (Polymarket, Kalshi, etc.) for sports events by sport and date.

GET /matching-markets/sports/{sport}

Get Matching Markets for Sports by Sport and Date

cURL

curl --request GET \
  --url https://api.domeapi.io/v1/matching-markets/sports/{sport}

200

{
  "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"
        ]
      }
    ]
  },
  "sport": "nfl",
  "date": "2025-08-16"
}

Path Parameters

sport · enum<string> · required

The sport to find matching markets for.

Sport abbreviations:

• nfl = Football
• mlb = Baseball
• cfb = College Football
• nba = Basketball
• nhl = Hockey
• cbb = College Basketball
• pga = Golf
• tennis = Tennis

Available options: nfl, mlb, cfb, nba, nhl, cbb, pga, tennis

Example:

"nfl"

Query Parameters

date · string · required

The date to find matching markets for in YYYY-MM-DD format

Pattern: ^\d{4}-\d{2}-\d{2}$

Example:

"2025-08-16"

Response

200

application/json

Matching markets response

markets · object

Show child attributes

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"
      ]
    }
  ]
}

sport · string

Example:

"nfl"

date · string

Example:

"2025-08-16"