Polymarket vs Kalshi cross-venue yes-price spread — $0.01
Polymarket vs Kalshi cross-venue yes-price spread — $0.01. Pass ?q= topic (or omit for top gap). Exact yes prices, gapCents, cheaper venue, and deep links in one composable read. Under every $0.10 spend cap.
Answeringour last check, 2026-10-11
1 of 1checks answered this week
210 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://aizamon.com/x402/v1/spread
| Category | Market data |
|---|---|
| Provider host | aizamon.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-11 | valid payment request | 402 | $0.01 | 210 ms |
Example input (from the provider)
{
"headers": {
"PAYMENT-SIGNATURE": "<base64url PaymentPayload v2>",
"x-agent-id": "optional-stable-bot-id",
"x-aizamon-ref": "optional-referrer-agent-id"
},
"method": "GET",
"queryParams": {
"echo": "optional string echoed back",
"q": "market topic keywords (optional \u2014 omit for top live gap)"
},
"type": "http"
}
Promised output schema (from the provider)
{
"openapi": "https://aizamon.com/x402/services.json"
}