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Errors

Errors are JSON with a stable error code and a human message.

Shape

429 Too Many RequestsJSON

{
  "error": "MONTHLY_QUOTA_EXCEEDED",
  "message": "Monthly quota reached (shared by R6, THE FINALS and Endfield).",
  "plan": "free",
  "limit": 2000,
  "used": 2000,
  "reset_at": "2026-12-01T00:00:00.000Z",
  "upgrade_url": "https://arenyze.com/premium#api"
}

Codes

HTTP	error	Meaning
400	`BAD_REQUEST`	A parameter is missing or invalid.
401	`MISSING_API_KEY`	No key in the request.
401	`INVALID_API_KEY`	The key does not exist (or was regenerated).
401	`API_KEY_EXPIRED`	The key expired — regenerate it.
404	`ENDPOINT_NOT_FOUND`	No public endpoint at that path.
404	`PLAYER_NOT_FOUND / NOT_FOUND`	The player or item does not exist on the tracker.
429	`RATE_LIMITED`	Per-minute limit reached; wait Retry-After seconds.
429	`MONTHLY_QUOTA_EXCEEDED`	The plan’s monthly calls are used up (shared by all games).
429	`FREE_GAME_QUOTA_EXCEEDED`	Free plan: 1,000 calls of this game used this month.
502 / 503	`UPSTREAM_UNAVAILABLE / UNAVAILABLE`	The tracker or the game service is temporarily unavailable; retry later.

Rainbow Six endpoints return {"error": "…"} messages in the same spirit (e.g. Missing api-key header, Rate limit exceeded).