API referenceMatched markets
Matched markets.
Find matched Kalshi and Polymarket markets and compare their quoted probabilities.
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Matched markets
GET
/cross-platform/matchesRESTRetrieve matched markets with a configurable confidence threshold. Matches use offset pagination and return a data array with meta containing total, count, limit, and offset.
cURL
curl --fail-with-body \
"$IMPLYRA_API_URL/cross-platform/matches?limit=20&minScore=0.5&verifiedOnly=true"limitnumber · default 20- Results to return, from 1 to 100.
offsetnumber · default 0- The number of matched pairs to skip.
minScorenumber · default 0.35- Minimum match score, from 0 to 1.
searchstring · optional- Text search, up to 200 characters.
verifiedOnlystring · optional- Set to true to restrict results to verified matches.
Price divergence
GET
/cross-platform/arbitrageRESTQuery matched markets whose quoted probabilities diverge by at least your threshold. A minDivergence of 0.03 represents three percentage points.
limitnumber · default 20- Results to return, from 1 to 100.
minDivergencenumber · default 0.03- Minimum probability divergence, from 0 to 1.
minScorenumber · default 0.5- Minimum matched-market confidence, from 0 to 1.
Venue coverage
Cross-venue matching currently covers Kalshi and Polymarket. Market discovery and wallet endpoints have their own datasets; a matched pair does not imply identical analytics coverage on both venues.
Questions about your integration?
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