NinjaPear Logo NinjaPear
Free forever — no credit card, no usage limits

Is that email
actually real?

Detect disposable, temporary, and throwaway email addresses with a single API call. Block fake signups before they cost you credits, trials, and time.

GET /api/v1/contact/disposable-email?email=[email protected] disposable

Test it live

Pass any email and instantly know if it's disposable, free, or business

disposable: true, free: false
Disposable
disposable: false, free: true
Free Email
disposable: false, free: false
Business
disposable: true, free: false
Disposable
Request
curl -G \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-urlencode "[email protected]" \
  "/api/v1/contact/disposable-email"
Response
Content-Type: application/json 200 OK
{
  "email": "[email protected]",
  "is_disposable_email": true,
  "is_free_email": false
}

Why pay to check emails?

Other email validation APIs charge per check or require monthly subscriptions. NinjaPear's disposable email checker is completely free.

Abstract API
Email Validation
Kickbox
Verification
ZeroBounce
Validation
NinjaPear
Free forever
Price $17/mo $5 / 500 $39 / 2,000 $0 forever
Free tier 100/month 100 one-time 100/month Unlimited (300/min)
Cost per check ~$0.003 ~$0.010 ~$0.020
$0 always
Disposable detection
Included
Bundled
Dedicated
Dedicated
Save up to $204/year vs Abstract API — or just stop paying per check entirely

Use Cases

Anywhere you need to verify email quality before acting on it

Signup Form Validation

Jane Cooper
Disposable emails are not allowed
Create Account

Block disposable emails at registration and keep your user base clean.

Lead Quality Scoring

Email Type
[email protected] Free Email
[email protected] Disposable

Score inbound leads by email type and prioritize business emails.

Trial Fraud Prevention

This week's signups
847
Allowed
156
Blocked
Business
62%
Free
23%
Disposable
15%

Stop serial trial abusers from burning through your free tier credits.

Stop fake signups today

Get your free API key and start blocking disposable emails in minutes.

Start building now