Rate Limits

Understand API rate limits and how to stay within them.

Plan Limits

Standard

1,000

requests per month

Real-time monitoring

Public proxy pool

CLI & Dashboard

Elite

Unlimited

no rate limits

Unlimited requests

Private rotating proxies

Priority queue

24/7 support

Every API response includes headers to help you track your usage:

HTTP Headers

X-RateLimit-Remaining: 842
X-RateLimit-Reset: 1678901234
X-RateLimit-Limit: 1000

X-RateLimit-RemainingRequests left in the current window

X-RateLimit-ResetUnix timestamp when the window resets

X-RateLimit-LimitTotal requests allowed per window

Implement exponential backoff when you receive a 429 response

Batch username checks using the bulk endpoint instead of individual requests

Cache availability results when you don't need real-time data

Monitor the rate limit headers and pre-emptively slow down as you approach your limit

Upgrade to Elite for unlimited requests if you need high-volume checking

Upgrade to Elite for unlimited API access.