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Limits by plan

Rate limits use a sliding window — the count resets continuously rather than at fixed intervals.

Rate limit headers

Every API response includes headers showing your current usage:

429 Too Many Requests

When you exceed your rate limit, the API returns:
Implement exponential backoff when you receive a 429 response:

Increasing your limit

  • Upgrade to Developer — 500 req/min, $99/month
  • Upgrade to Pro — no rate limit, $499/month
  • Enterprise — custom limits, contact support@marketdataset.ai