Every live prediction-market pair Layer has matched across Kalshi and Polymarket...
https://uselayer.sh/v0/matchesOverview
Every live prediction-market pair Layer has matched across Kalshi and Polymarket/Polymarket US/Hyperliquid/Novig, soonest event first, with live prices and the best trade between them.
Protocol
x402
Price
$0.10
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
uselayer
Source
bazaar
Indexed
2026-11-09 04:07:47
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"category": "sports",
"limit": "50",
"q": "nba"
},
"type": "http"
}
Output Schema
{
"example": {
"count": 1,
"matches": [
{
"confidence": 1,
"kalshi": {
"market_id": "KXNBAGAME-26NOV08LALBOS-LAL",
"venue": "kalshi"
},
"polymarket_us": {
"market_id": "aec-nba-lal-bos-2026-11-08",
"venue": "polymarket_us"
},
"tier": "human_verified"
}
]
},
"type": "json"
}