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GET
/
v1
/
matching-markets
Cross-Platform Matches
curl --request GET \
  --url https://api.arbiterapi.com/v1/matching-markets \
  --header 'X-API-Key: <api-key>'
{
  "matches": [
    {
      "polymarket": {},
      "kalshi": {},
      "score": 123,
      "confidence": "<string>"
    }
  ],
  "total": 123,
  "cursor": "<string>",
  "has_more": false
}

Authorizations

​
X-API-Key
string
header
required

Query Parameters

​
min_score
number | null

Minimum match score (0-100). High confidence matches are 80+.

​
search
string | null

Filter matches by keyword (searches both Polymarket and Kalshi titles)

​
polymarket_market_slug
string[] | null

Find matches for specific Polymarket slugs

​
kalshi_event_ticker
string[] | null

Find matches for specific Kalshi event tickers

​
limit
integer
default:50
Required range: 1 <= x <= 200
​
cursor
string | null

Pagination cursor from previous response

Response

Successful Response

​
matches
MatchedMarket · object[]
required
​
total
integer
required
​
cursor
string | null
​
has_more
boolean
default:false