isBusinessEmail · Rate Limits

Isbusinessemail Rate Limits

Isbusinessemail Rate Limits is the rate-limit profile for isBusinessEmail on the APIs.io network — every limit transcribed verbatim from the provider’s own documentation on 2026-10-05.

It captures 2 rate-limit definitions, including Deep check daily limit — 1,000 deep checks a day; Feedback daily limit — 50 a day per key.

Limit state is signalled in the RateLimit-Policy, RateLimit, X-RateLimit-Limit, and X-RateLimit-Remaining response headers.

Tagged areas include Company, EmailVerification, BusinessTools, API, and EUHosted.

2 Limits RateLimit-PolicyRateLimitX-RateLimit-LimitX-RateLimit-Remaining
Transcribed from the provider's documentation on 2026-10-05 — isbusinessemail.com/docs/rate-limits.md.
View Source
CompanyEmailVerificationBusinessToolsAPIEUHosted

Limits

Deep check daily limit deep checks
1,000 deep checks a day
/v1/check with deep=true
· per day
Feedback daily limit feedback
50 a day per key
/v1/feedback
· per day

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/isbusinessemail-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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