Rate Limits - ReferralStack

API rate limits are enforced per API key to ensure optimal performance for all users:

Limit	Description
5 requests per second	Per API key
Burst limit	5 concurrent requests

WARNING

When you exceed your rate limit, you'll receive a 429 Too Many Requests response. The response will include a Retry-After header (in seconds) indicating when you can make requests again.

Rate Limit Error Response:

{
  "status": 429,
  "message": "Rate limit exceeded. Please try again later."
}