The Sleeper token and the ESPN cookies are shared by every league on that platform, so enter them once. A field that already has a value is locked — click Edit to change it.
Add a league by its ID (from the platform's share URL) — the name fills in
automatically. Turn it on or off, reorder with ▲/▼, or remove with ×.
Test keys checks everything against the live APIs; Save writes
to config.json and refreshes the data.