Sources & terms
We only ship data that is open or explicitly permitted for use. Sources we can’t use under their terms (like scraped platform data) are deliberately excluded.
| Source | What we use it for | Terms | Attribution |
|---|---|---|---|
| Fantasy Football Calculator | ADP by format & league size | Permitted (free for apps, attribution required) | ADP data by Fantasy Football Calculator |
| Sleeper | Player registry, trending adds/drops, season state | Permitted (public API; fetched politely, cached daily) | Data provided by Sleeper |
| nflverse | 2026 schedule, byes, kickoffs, team metadata | Open (CC BY 4.0 / openly published) | Schedule & team data via nflverse |
| Open-Meteo | Kickoff weather (in-season) | Open (CC BY 4.0, keyless) | Weather data by Open-Meteo.com |
| Underdog ADP | — | Excluded (no republication-permitted export) | — |
| ESPN / Yahoo endpoints | — | Excluded (undocumented, unlicensed) | — |
Platform names are used nominatively (e.g. “ESPN ADP” as a label). No logos or marks are reproduced, and we reproduce no editorial content. See our methodology for how each feed is processed and stamped.