Player sourcebook
Player projections, production, ADP and free half-PPR trade values. Search by player or position.
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Sources & methodology
Metric definitions, source roles, scoring assumptions and freshness limitations.
Agent integration guide
Search, cite, request data and connect authorized league tools.
Public OpenAPI schemaLeague research
Find a Sleeper league to read available league history. League identifiers and manager records are not enumerated in this public sourcebook or sitemap.
Research reports
Read the Quant Reports: dated studies with assumptions, held-out findings and limitations.
How to cite a result
Use the player's canonical source URL. Include its season, week when relevant, scoring format and data version. Inspect freshness before calling a value current. Retrieval time is not a source update time.