Trusted by thousands of developers, from startup to enterprise
Integrate our always up-to-date API to instantly detect temporary and disposable email addresses during user registration.
UserCheck took 10 mins to set up and eliminated 90% of fake sign-ups. No more temporary emails getting through - we've saved countless hours and dollars by keeping our user base legitimate.
The email data you need to take action
{"disposable": true}
Block
Disposable email detection
Automatically identify and block disposable emails with our always up-to-date database of providers
{"relay_domain": true}
{"provider": proton.me}
Ask for real email
Email forwarding detection
Detect relay services and forwarding domains that mask real addresses
{"mx": true}
Ok
MX records validation
Verify that a domain has a valid MX record.
{"public_domain": true}
Ask for work email
Public email detection
Detect public email providers like Gmail and Yahoo
{"did_you_mean": "hotmail.com"}
Suggest modification
Smart Email Suggestions
Fix common typos with our smart email autocorrect.
{"role_account": true}
Flag as role account
Role detection
Identify role email accounts (hello@, support@, etc).
hello@pantheon.mail
Invalid syntax
Syntax validation
Validate email addresses against industry standards to ensure proper formatting.
Send any email address to our API and instantly know if it's:
curl https://api.usercheck.com/email/[email protected]{
"status": 200,
"email": "[email protected]",
"domain": "example.com",
"mx": false,
"disposable": false,
"public_domain": false,
"relay_domain": false,
"alias": false,
"role_account": true,
"did_you_mean": null
}Start on our forever free plan
Perfect for small projects or to try out our service.
$0 /month
Use for freeIdeal for growing startups and established businesses.
$ /month
Start for freeTailored solutions for enterprise-level operations.
Custom
Contact salesQuick integration with your favorite tools