Same endpoints, same response shapes, same query parameters. 26+ sources instead of 7. Real American odds on every line, not flat -115 placeholders. Polymarket and Kalshi integrated as sharp prediction-market signals. WebSocket streaming on Business+. Sub-300ms p95 on /odds with the full markets list. Migrate in one config change.
Apples-to-apples. Numbers are what we ship today; checkmarks are features either product offers; pricing is from each company's public pricing page (April 2026).
| Feature | ParlayAPI | the-odds-api |
|---|---|---|
| Sportsbooks (US) | DraftKings, FanDuel, Pinnacle, bet365, Caesars, BetMGM, BetRivers, Parx, Hard Rock, Fanatics, Bovada, Fliff, ProphetX, Novig (14 sharp + book sources) | 7 (DK, FD, BetMGM, Caesars, Bovada, plus 2 minor) |
| DFS pick'em | PrizePicks, Underdog, Sleeper, Betr, ParlayPlay, Pick6 (real American odds where available) | Limited or flat -115/-115 placeholders |
| Prediction markets | ✓ Polymarket + Kalshi | × Neither |
| Player prop markets | 14 books on player_strikeouts (MLB), 13 on player_points (NBA), all paired O/U on TOA-canonical keys | Available but fewer books per market, frequent flat-payout placeholders |
| Live scores | ✓ /v4/sports/{sport}/scores | ✓ |
| Historical odds | ✓ Up to 1 year on Enterprise | ✓ Bonus tier required |
| WebSocket streaming | ✓ /ws/odds/{sport}?apiKey= on Business+ | × Not offered |
| Update cadence | 2 to 3s verified freshness on Pinnacle and FanDuel hot leagues (beats their $99 Pro tier's 5s polling). Plus a Redis-backed verification heartbeat so the API can prove the price you see was confirmed within the last few seconds, not just last touched 30s ago. Sub-second push on WebSocket and SSE endpoints. | 30 to 60s polling, no streaming, no freshness verification |
| Freshness verification | ?include=verification adds verified_at, line_changed_at, and is_current per bookmaker so you can distinguish "price last moved 30s ago" from "we polled the book 2s ago and the price hasn't changed." Internal /admin/freshness alerts when any hot source drifts past 3s. |
One last_update field with no way to tell if it's stale or just unchanged |
| Response size on /odds | ~3 KB gzipped for a typical MLB h2h query (11.8x smaller than the raw 38 KB). All text responses gzip-encoded by default. | Uncompressed unless you set Accept-Encoding manually and their CDN happens to honor it. |
| API shape | Identical to TOA. Same paths, same JSON shape, same query params. | Original |
| Endpoint paths | /v4/sports/{sport}/odds (and /v1 alias) | /v4/sports/{sport}/odds |
| p95 latency on /odds (full markets) | 225ms | typically 300-800ms |
| Free tier | 1,000 credits/month, no credit card required | 500 credits/month |
| Affiliate program | ✓ 30% of first 12 months | × |
| Pricing (Enterprise) | $100/mo, 5M credits | $1,499/mo, 30M credits (15x more expensive per credit if you use under 5M) |
We undercut TOA at every tier. The bigger gap is at the top: Enterprise is $100/mo for 5M credits vs their $1,499/mo for 30M. If you don't need 30M, you pay roughly 15x less per credit.
ParlayAPI mirrors TOA's REST shape exactly. Switch the base URL, you're done. Same paths, same response JSON, same query parameters.
# before curl "https://api.the-odds-api.com/v4/sports/basketball_nba/odds?regions=us&markets=h2h&apiKey=YOUR_TOA_KEY" # after curl "https://parlay-api.com/v4/sports/basketball_nba/odds?regions=us&markets=h2h&apiKey=YOUR_PARLAY_KEY"
# before url = "https://api.the-odds-api.com/v4/sports/basketball_nba/odds" # after url = "https://parlay-api.com/v4/sports/basketball_nba/odds"
pip install parlay-api from parlay_api import ParlayAPI client = ParlayAPI(api_key="YOUR_KEY") events = client.odds("basketball_nba", regions="us", markets="h2h,spreads,totals") # Plus our extensions props = client.props("baseball_mlb", markets=["player_strikeouts"]) fair_o, fair_u = ParlayAPI.devig(over_price=-110, under_price=-110)
SDK on GitHub: JacobiusMakes/parlay-api-python (MIT-licensed, ships with example +EV scanner, arbitrage finder, and WebSocket stream tools).
Sign up free with 1,000 credits, no card required. Migrate when you want. Cancel any time, no contracts.