The #1 Fantasy Football API
PPR projections, multi-season actuals, deviation analytics, and matchup history for every fantasy-relevant player — through one fast, predictable REST API. Ship your fantasy app, draft tool, or model in an afternoon.
One API key • $5/month • 5,000 requests included • No credit card to read the docs
Why GridIron Data is #1
The most complete dataset
Projections, real actuals, week-by-week stats, deviation analytics, injuries, and head-to-head matchup history — all under one schema. Not just numbers, but context.
Projections you can trust
PPR-accurate season and weekly projections, refreshed daily in-season and benchmarked against actuals so you can see who beats their number — and who fades.
Built for developers
Clean REST, predictable JSON, one x-api-key header. Search by name, position, team, or ID. You're making your first call in under five minutes.
Production-grade
Serverless on AWS with a global CDN, tiered rate limits, and 99.9% uptime. Scale from a weekend project to a paid product without changing a line.
Everything You Need
Projections & Actuals
Season-long and weekly PPR projections for every position, plus real game-by-game results from 2020 through 2025.
Deviation Analytics
Track how players perform vs. their projection every week. Surface the consistent over- and under-performers before your league does.
Daily-Fresh Data
Stats, projections, injuries, and roster changes updated daily during the season — your app is never a week behind.
Matchup History
See how any player performs against any opponent, with historical head-to-head splits baked into every profile.
Flexible Search
Query by player name, position, team, or ID with partial matching and filters. Find exactly the player you need.
Fast & Reliable
Built on AWS with a global CDN and 99.9% uptime for low-latency responses anywhere in the world.
Simple to Use
Get Player Data
curl -H "x-api-key: YOUR_KEY" \
"https://api.gridirondata.com/api/v1/players?name=Josh%20Allen&position=QB"Weekly Projections
curl -H "x-api-key: YOUR_KEY" \
"https://api.gridirondata.com/api/v1/projections/12?position=RB"Matchup Analysis
curl -H "x-api-key: YOUR_KEY" \
"https://api.gridirondata.com/api/v1/matchups/Josh%20Allen%23QB/KC"See It Live
Real calls to the real API — no signup needed. Change the player and run it yourself.
Tip: type any NFL player, pick their position, and hit Run live.
Loading…
Simple Pricing
Pro
- 50,000 requests/month
- All endpoints
- Priority email support
- Rate limit: 100 req/min
- Custom webhooks
Enterprise
- Unlimited requests
- All endpoints
- Priority support
- Custom rate limits
- SLA guarantee
- Dedicated account manager
Frequently Asked Questions
What is GridIron Data?
GridIron Data is a REST API for fantasy football data. It returns PPR projections (season and weekly), real game-by-game actuals from 2020 through 2025, deviation analytics, injury status, and head-to-head matchup history for every fantasy-relevant NFL player as predictable JSON.
How much does the GridIron Data API cost?
Plans start at $5/month for the Basic tier (5,000 requests/month), $29/month for Pro (50,000 requests/month), and custom Enterprise pricing. The documentation is free to read.
What scoring format does GridIron Data use?
Projections are PPR (point-per-reception), the standard format for most fantasy leagues.
How do I authenticate with the GridIron Data API?
Send your API key in the x-api-key header on every request to https://api.gridirondata.com/api/v1. Sign up to get a key — no credit card required to read the docs.