Odds API / By sportsbook / Underdog Fantasy
Underdog Fantasy odds API
Underdog Fantasy is a US DFS pick'em app. PropLine pulls its odds into one REST API for 21 competitions (MLB, NBA, WNBA, NFL, NHL, NCAAB, NCAAF, Tennis, UFC and 12 soccer leagues). Prices are polled before and during games. Filter to this book with bookmakers=underdog.
No credit card. 1,000 requests / day on the free tier.
What we carry from Underdog Fantasy
Sports
Soccer leagues
This list is generated from the sports we poll Underdog Fantasy for. A competition only returns Underdog Fantasy odds while the book has a board up for it, so an off-season league comes back empty. Pick'em lines are not sportsbook payouts, so they are left out of /ev and /best-line.
Try it
MLB odds from Underdog Fantasy only:
curl "https://api.prop-line.com/v1/sports/baseball_mlb/odds?apiKey=YOUR_KEY&bookmakers=underdog"List the events first if you want one game:
curl "https://api.prop-line.com/v1/sports/baseball_mlb/events?apiKey=YOUR_KEY"Drop bookmakers= to get every book in the same call, or pass several keys comma-separated. The response is the-odds-api compatible — events, bookmakers, markets, outcomes — so switching is usually a base URL change. Use markets=h2h,spreads,totals to pick markets.
Related
Odds API pages by market
Get your free Underdog Fantasy odds API key
1,000 requests / day. No credit card. One key covers Underdog Fantasy and every other book we carry.
Free tier includes 1,000 requests/day. Upgrade anytime.