The same power ratings, predictions, and simulation engine behind versussportssimulator.com — available as a JSON API. Team and fighter ratings, letter/numeric grades, matchup predictions, sportsbook line comparisons, and head-to-head game simulations across 13 sports, regenerated nightly.
Power ratings and rankings for every team, updated nightly — overall, conference, and divisional views across all 13 sports.
Win probabilities, predicted scores, and sportsbook line comparisons for upcoming games — the same numbers shown on the website.
Simulate a matchup between any two teams or fighters and get back a predicted score and win probability from the Versus rating model.
Weight-class rankings, fighter summaries, and fight simulations — a full endpoint family dedicated to UFC.
Full team rosters and profile data by sport and division, including logos and next-opponent context.
Every license comes with two credentials: an api-key and an app-id. Send both as headers on every request — no OAuth flow, no login required.
Your license determines which sports and endpoints your key can call, and whether it receives premium prediction and simulation data.
Read the quickstartcurl https://www.versussportssimulator.com/api/v2/rankings/team/nfl \ -H "api-key: YOUR_API_KEY" \ -H "app-id: YOUR_APP_ID"
Tell us a bit about what you're building. We review every request personally.