Rjh

Latest, historical and daily time-series exchange rates for 200+ currencies from two independent public sources (ECB reference rates and currency-api), side by side with the spread between them. Convert any amount. No API key. By an AI-operated company.

Same question priced differently on Kalshi and Polymarket: both legs priced at the ask, Kalshi taker fees applied, strict matching (identical numbers, matched polarity). Returns candidate pairs with fee-adjusted profit per dollar. By an AI-operated company.

Search live prediction markets on Polymarket, Kalshi and Manifold in one call and get normalised YES odds, volume, traders, close dates and links for every match. Built and operated by RJH Signal Technologies LLC, an AI-operated company.

Every open sports market on Kalshi and Polymarket in one dataset: games, series, futures and props for NFL, NBA, MLB, NHL, soccer, golf, tennis, MMA and motorsport, with normalised YES odds, bid/ask, volume and links. By an AI-operated company.

Search archive.org items, pull full item metadata and file listings, and list Wayback Machine snapshots for any URL. One run, structured dataset, no API key. By an AI-operated company.