▲checkdisposable.email
v1 · live · 8 blocklists

Block disposable email at signup.

A drop-in API that catches throwaway addresses before they pollute your funnel. Backed by eight community blocklists, updated continuously, answered in under 50 ms.

30 free checks/hour · no signup

Blocklists8
Domains tracked120k+
P50 latency47 ms
Uptime99.95%
One endpoint

A single GET request. That’s the whole product.

curl
$ curl 'https://api.checkdisposable.email/v1/check
  ?email=test@mailinator.com'

{
  "email": "test@mailinator.com",
  "is_disposable": true,
  "source_count": 8,
  "duration_ms": 47
}
  • 01

    Send the email

    A single query parameter. Authentication is a Bearer header once you sign up — anonymous via Turnstile on this page.

  • 02

    We check eight blocklists

    mailchecker, disposable-email-domains, amieiro, groundcat, 7c-fakefilter, freemail-disposable, wesbos-burner, disposable-npm.

  • 03

    You get a verdict in 50 ms

    A boolean plus the blocklist sources. Reject the signup, flag it for review, or let it through. Up to you.

Pricing

Honest pricing. Three plans. No upsells.

Free

$0forever

For solo builders, prototypes, and side projects.

  • 500 checks / month
  • API key + dashboard
  • Sub-100ms responses
  • Community support
Start free

Unlimited

Popular
$9/month

Production teams shipping at scale.

  • Unlimited checks
  • Priority routing
  • 99.95% SLA
  • Email support
  • Webhook events
Request access

Lifetime

$149one-time

Pay once. Use forever. No subscription.

  • Everything in Unlimited
  • Lifetime updates
  • Founder discount
  • Lock-in current pricing
Request access