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.

Check bulk emails or domain names Add to WordPress

We're actively monitoring temporary email services

3,377

domain names blocked

278,628

domain names checked

2,211,133

API requests served

Public free API request

No registration required. Maximum 10 requests / minute from each IP address (14,400 requests / day), that's the only limit!

Sample API request

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

JSON response

  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}

Plans and pricing

Get your own private API token and endpoint. Fixed monthly pricing for peace of mind.
Ugrade, downgrade or cancel any time.

Lite

$2 / month

  • 60 requests per minute per IP
  • 5 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

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.