Block temporary email addresses

Disposable email address services are mostly used for spamming, fake registration, free trial abusing, etc.
And we hate them!

IsTempMail provides a reliable, real time API to check disposable email addresses.

Get FREE API token Add to WordPress

Simple API request

Example API requests

  1. https://www.istempmail.com/api/check/API_TOKEN/test@example.com
  2. https://www.istempmail.com/api/check/API_TOKEN/mailinator.com
  3. https://www.istempmail.com/api/check/API_TOKEN/10minutemail.com
  4. https://www.istempmail.com/api/check/API_TOKEN/gmail.con

JSON responses

  1. {"name":"example.com","blocked":false}
  2. {"name":"mailinator.com","blocked":true}
  3. {"name":"10minutemail.com","blocked":true}
  4. {"name":"gmail.con","blocked":false,"unresolvable":true}

We have a WordPress plugin, PHP library, and a NodeJS package.

We're actively monitoring temporary email services

14,279

domain names blocked

440,177

domain names checked

8,181,904

API requests served

Plans and pricing

Fixed monthly pricing for peace of mind.
Ugrade, downgrade or cancel any time.

Lite

$2 / month

  • 60 requests per minute per IP
  • 10 IPs limit in 30 days
  • Earn $1 for reporting domain name

Standard

$5 / month

  • 60 requests per minute per IP
  • 50 IPs limit in 30 days
  • Earn $1 for reporting domain name
  • Private blacklist and whitelist

Pro

$50 / month

  • 60 requests per minute per IP
  • Unlimited IP
  • Earn $1 for reporting domain name
  • Private blacklist and whitelist
  • 99.9% uptime SLA

We also have a free account. See how our billing works.

About us

IsTempMail was a side project for stopping fake registration at SetCronJob. It became so effective that I made it a stand-alone service for public use.

Nguyen An Thuan, Develover.

IsTempMail is developed and operated by Develover Company Limited, a software company based in Vietnam.

The company owner as well as main developer is Nguyen An Thuan, an experienced website developer.