Unnamed service
GET polynews.news/api/v1/arbitrage
Why an agent can trust this route.
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
Observed outcomes
Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV. Coverage: liquid Polymarket markets in politics/geopolitics/elections/tech/economy/finance; low-volume long-tail, sports, culture, and weather are not included.
Resource: polynews.news/api/v1/arbitrage
Network: eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x6ee49a7872844397Fb52870Cc07b308fFADC9427
Payment methods: — · Last validation: 2026-09-14 16:34:44.772+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"properties": {
"limit": {
"type": "string"
},
"category": {
"type": "string"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"data": {
"type": "object",
"properties": {
"opportunities": {
"type": "array",
"items": {
"type": "object",
"properties": {
"arbitrage": {
"type": "object",
"properties": {
"type": {
"type": "string",
"description": "e.g. BUY_YES_POLY_NO_KALSHI"
},
"spreadNet": {
"type": "number",
"description": "After fees"
},
"spreadRaw": {
"type": "number"
},
"confidence": {
"type": "string",
"description": "high | medium | low"
},
"impliedProfit": {
"type": "number",
"description": "Fee-adjusted EV"
}
},
"description": "Fee-adjusted arb calc"
},
"kalshiTitle": {
"type": "string"
},
"kalshiYesAsk": {
"type": "number"
},
"matchConfidence": {
"type": "number"
},
"polymarketQuestion": {
"type": "string"
},
"polymarketYesPrice": {
"type": "number"
}
}
}
},
"matchedMarkets": {
"type": "number"
}
}
}
}
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x6ee49a7872844397Fb52870Cc07b308fFADC9427",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x6ee49a7872844397Fb52870Cc07b308fFADC9427",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "10000"
},
{
"raw": {
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"payTo": "76xzzgua9K8985GqGMwB946zTFtHvjTd9MfGoTYfys3d",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
},
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"payTo": "76xzzgua9K8985GqGMwB946zTFtHvjTd9MfGoTYfys3d",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"amountAtomic": "10000"
}
]
}Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.