generated: '2026-10-05'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://isbusinessemail.com/docs/rate-limits.md
sources:
- https://isbusinessemail.com/docs/rate-limits.md
- https://isbusinessemail.com/docs/rate-limits
- https://isbusinessemail.com/docs/usage-endpoint
name: isBusinessEmail rate limits
limits:
- name: Deep check daily limit
  limit_text: 1,000 deep checks a day
  max: 1000
  window: day
  scope: deep checks
  endpoint: /v1/check with deep=true
- name: Feedback daily limit
  limit_text: 50 a day per key
  max: 50
  window: day
  scope: feedback
  endpoint: /v1/feedback
headers:
- RateLimit-Policy
- RateLimit
- X-RateLimit-Limit
- X-RateLimit-Remaining
- X-RateLimit-Reset
- Retry-After
exhaustion_status: 429
docs: https://isbusinessemail.com/docs/rate-limits.md
note: 12 extracted row(s) were dropped because their quote was not on the page.