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v3 keeps two kinds of board apart. A leaderboard is a board a platform publishes, as the platform showed it. A ranking is ours, computed over the traders we map. The two never mix.

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Leaderboards

Start from GET /v3/leaderboards: it lists each board with its platform, board, category, metric and windows. Boards today include the trader boards of FOMO, pump.fun, Hyperliquid, Polymarket and other platforms, the clan boards of FOMO and pump.fun, and FOMO’s token boards.
  • window takes one of the board’s windows. Without it you get the board’s defaultWindow.
  • at returns the board as it stood at that time: the newest snapshot at or before it. Older snapshots thin out to one per hour, then one per day.
  • Each entry holds its rank, its subject (a trader, token or group envelope) and the figures the platform publishes in measures. A figure the platform does not publish is absent.
  • entries arrives whole, without paging. An entry whose subject we cannot read is left out, so entries can hold fewer rows than entryCount.

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Rankings

GET /v3/rankings lists each ranking with its key, title, metric and window, for example traders_net_flow_7d, traders by net flow over 7 days.
  • order=best (the default) returns rank 1 first. order=worst returns the bottom entries, lowest value first.
  • Ties share a rank on both orders.
  • total counts every ranked subject. entries holds at most size of them, not paged.