PropLine — Sports Odds & Graded Props

Live sports betting odds across 21 books (DraftKings, FanDuel, Pinnacle, BetMGM, Kalshi, Polymarket, PrizePicks, Underdog and more) for MLB, NBA, WNBA, NHL, NFL, NCAAF, soccer, tennis, UFC and 40+ more sports. Every player prop is graded against the real box score, so answers can be verified: hit rates, player trends, resolved results, cross-book +EV with no-vig fair lines, best line, opening/closing lines (CLV), line movement + steam, futures, scores and box-score stats. 21 read-only tools. Works with no key on a shared demo (paid features redacted); a free key (1,000 req/day, no card) at https://prop-line.com unlocks your own limits. Docs: https://prop-line.com/for-ai-agents

First seen 2 Oct 2026. Evidence as of 5 Oct 2026.