Overview
Search open prediction markets on Polymarket and Kalshi in one call: event, market, outcome prices (implied probability 0-1), volume, liquidity/open interest, end date and link. Sorted by volume. Pay per call in USDC; you are charged only when results are returned.
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USDC
Payment Network
Base
Category
polymarket
Provider
Martin Data
Source
self-registered
Indexed
2026-11-04 08:20:55
Health
Status
healthy
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—