generated: '2026-10-03'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://help.zscaler.com/legacy-apis/understanding-rate-limiting-2
sources:
- https://help.zscaler.com/legacy-apis/understanding-rate-limiting-2
- https://help.zscaler.com/legacy-apis/understanding-rate-limiting-3
- https://help.zscaler.com/zpa/about-zdx-web-probe-rate-limiting
- https://help.zscaler.com/legacy-apis/understanding-rate-limiting
name: Zscaler rate limits
limits:
- name: Organization - General API Calls per Hour
  limit_text: 100 API calls per hour
  max: 100
  window: hour
  scope: Organization
- name: Organization - /downloadDevices, /downloadServiceStatus, /downloadDisableReasons
  limit_text: 3 API calls per day
  max: 3
  window: day
  scope: Organization
  endpoint: /downloadDevices, /downloadServiceStatus, /downloadDisableReasons
- name: Public Service Edge - Web Probe Requests
  limit_text: 50 web probe requests per second to the server for an individual Public Service Edge
  max: 50
  window: second
  scope: Public Service Edge
- name: Private Service Edge - Web Probe Requests
  limit_text: 35 web probe requests per second to the server for an individual Private Service Edge
  max: 35
  window: second
  scope: Private Service Edge
headers:
- RateLimit-Limit
- RateLimit-Remaining
- RateLimit-Reset
- X-Rate-Limit-Remaining
- X-Rate-Limit-Retry-After-Seconds
exhaustion_status: 429
retry_after: Retry-After header or body field when 429 is returned
docs: https://help.zscaler.com/legacy-apis/understanding-rate-limiting-2
note: 22 extracted row(s) were dropped because their quote was not on the page.