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Cross-platform arbitrage detection between Polymarket and Kalshi: matched market...

https://polynews.news/api/v1/arbitrage

Overview

Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV

Protocol x402
Price $0.01
Payment Asset USD Coin
Payment Network Base
Category uncategorized
Provider polynews
Source bazaar
Indexed 2026-03-02 06:07:09

Health

Status healthy
Latency (p50) 269ms
Uptime (30d) 100.0%
Reliability Score 95/100
Last Checked 2026-03-21 05:06:32
Last Healthy 2026-03-21 05:06:32
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified —
Facilitator —

Input Schema

{ "discoverable": true, "method": "GET", "queryParams": { "category": "politics", "limit": "50" }, "type": "http" }

Output Schema

{ "properties": { "data": { "properties": { "matchedMarkets": { "type": "number" }, "opportunities": { "items": { "properties": { "expectedValue": { "type": "number" }, "kalshiTitle": { "type": "string" }, "polymarketQuestion": { "type": "string" }, "spreadRaw": { "type": "number" } }, "type": "object" }, "type": "array" } }, "type": "object" } }, "type": "object" }

Recent Health Checks

Time Status HTTP Latency Error
2026-03-21 05:06:32 healthy 402 284ms
2026-03-21 04:03:46 healthy 402 256ms
2026-03-21 03:29:48 healthy 402 248ms
2026-03-21 02:07:30 healthy 402 266ms
2026-03-21 01:16:27 healthy 402 270ms
2026-03-21 00:19:00 healthy 402 258ms
2026-03-20 23:28:34 healthy 402 266ms
2026-03-20 22:17:53 healthy 402 85ms
2026-03-20 21:41:54 healthy 402 260ms
2026-03-20 20:25:26 healthy 402 268ms
2026-03-20 19:46:38 healthy 402 255ms
2026-03-20 18:59:55 healthy 402 535ms
2026-03-20 18:25:12 healthy 402 254ms
2026-03-20 17:16:36 healthy 402 291ms
2026-03-20 16:12:12 healthy 402 519ms
2026-03-20 15:39:09 degraded 402 2896ms
2026-03-20 14:55:51 healthy 402 269ms
2026-03-20 13:54:06 degraded 402 1039ms
2026-03-20 12:36:17 healthy 402 498ms
2026-03-20 12:03:37 healthy 402 279ms