Answer
Historical Odds API for backtesting betting models
Query historical odds, closing lines, player props, and archive coverage for backtests.
ParlayAPI provides historical odds endpoints for backtests, closing-line analysis, and sport coverage checks, with public coverage stats and authenticated data endpoints.
Endpoint
GET /v1/historical/sports/{sport_key}/odds
curl 'https://parlay-api.com/v1/historical/sports/baseball_mlb/odds?date=2026-05-01&markets=h2h' -H 'X-API-Key: YOUR_KEY'
Why developers use it
- Public archive stats
- Closing-line endpoint
- Historical match archive for esports clarity
Related
/historical-coverage/answers/closing-line-api/docs#historical