DFS prop source
Underdog Fantasy odds API coverage through ParlayAPI
How Underdog Fantasy appears in ParlayAPI odds, props, compare, arbitrage, and positive EV workflows where markets are available.
Use ParlayAPI's book filters to request Underdog Fantasy where that source has real markets available. The API keeps the source label on each returned price.
Try it
curl 'https://parlay-api.com/v1/sports/baseball_mlb/odds?regions=us&bookmakers=underdog' -H 'X-API-Key: YOUR_KEY'