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Base URL:
  • Auth: X-API-Key header on every request (details).
  • Format: all responses are JSON arrays of objects. ISO 8601 timestamps (UTC).
  • Quota: depends on your plan — 1,000 to 20,000 requests/hour, X-Quota-* headers (details).
  • Plan access: Specials & real-time streams = Sharp. Outside your plan → 403 (details).
The following pages document each endpoint with an interactive playground — fill in your key and test live.